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Finding the Fourth Proportional to 627,110.40, 939,110.40 and 502,694.40

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Solution

The fourth proportional to 627,110.40, 939,110.40 and 502,694.40 is: 752,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,110.40 : 939,110.40 = 502,694.40 : x
  2. Step 2: Convert to fraction form
    627,110.40/939,110.40 = 502,694.40/x
  3. Step 3: Cross multiply
    627,110.40x = 939,110.40 × 502,694.40
  4. Step 4: Simplify right side
    627,110.40x = 472,085,539,061.76
  5. Step 5: Solve for x
    x = 472,085,539,061.76/627,110.40
  6. Step 6: Final answer
    x = 752,794.94

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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.