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Finding the Fourth Proportional to 559,371.40, 839,057.10 and 244,443.40

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Solution

The fourth proportional to 559,371.40, 839,057.10 and 244,443.40 is: 366,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,371.40 : 839,057.10 = 244,443.40 : x
  2. Step 2: Convert to fraction form
    559,371.40/839,057.10 = 244,443.40/x
  3. Step 3: Cross multiply
    559,371.40x = 839,057.10 × 244,443.40
  4. Step 4: Simplify right side
    559,371.40x = 205,101,970,318.14
  5. Step 5: Solve for x
    x = 205,101,970,318.14/559,371.40
  6. Step 6: Final answer
    x = 366,665.10

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Half scale
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Double scale
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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.