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Finding the Fourth Proportional to 559,901.10, 839,851.65 and 347,324.70

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Solution

The fourth proportional to 559,901.10, 839,851.65 and 347,324.70 is: 520,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,901.10 : 839,851.65 = 347,324.70 : x
  2. Step 2: Convert to fraction form
    559,901.10/839,851.65 = 347,324.70/x
  3. Step 3: Cross multiply
    559,901.10x = 839,851.65 × 347,324.70
  4. Step 4: Simplify right side
    559,901.10x = 291,701,222,380.76
  5. Step 5: Solve for x
    x = 291,701,222,380.76/559,901.10
  6. Step 6: Final answer
    x = 520,987.05

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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.