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Finding the Fourth Proportional to 559,895.60, 839,843.40 and 349,943.60

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Solution

The fourth proportional to 559,895.60, 839,843.40 and 349,943.60 is: 524,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,895.60 : 839,843.40 = 349,943.60 : x
  2. Step 2: Convert to fraction form
    559,895.60/839,843.40 = 349,943.60/x
  3. Step 3: Cross multiply
    559,895.60x = 839,843.40 × 349,943.60
  4. Step 4: Simplify right side
    559,895.60x = 293,897,822,832.24
  5. Step 5: Solve for x
    x = 293,897,822,832.24/559,895.60
  6. Step 6: Final answer
    x = 524,915.40

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Half scale
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Double scale
Find fourth proportional to 559,896.60, 839,844.90 and 349,944.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.