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Finding the Fourth Proportional to 559,995.87, 840,264.12 and 275,532.15

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Solution

The fourth proportional to 559,995.87, 840,264.12 and 275,532.15 is: 413,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,995.87 : 840,264.12 = 275,532.15 : x
  2. Step 2: Convert to fraction form
    559,995.87/840,264.12 = 275,532.15/x
  3. Step 3: Cross multiply
    559,995.87x = 840,264.12 × 275,532.15
  4. Step 4: Simplify right side
    559,995.87x = 231,519,779,551.46
  5. Step 5: Solve for x
    x = 231,519,779,551.46/559,995.87
  6. Step 6: Final answer
    x = 413,431.23

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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.