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Finding the Fourth Proportional to 539,384.40, 807,233.40 and 473,029.20

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Solution

The fourth proportional to 539,384.40, 807,233.40 and 473,029.20 is: 707,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,384.40 : 807,233.40 = 473,029.20 : x
  2. Step 2: Convert to fraction form
    539,384.40/807,233.40 = 473,029.20/x
  3. Step 3: Cross multiply
    539,384.40x = 807,233.40 × 473,029.20
  4. Step 4: Simplify right side
    539,384.40x = 381,844,969,415.28
  5. Step 5: Solve for x
    x = 381,844,969,415.28/539,384.40
  6. Step 6: Final answer
    x = 707,927.35

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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.