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Finding the Fourth Proportional to 626,476.40, 938,159.40 and 502,060.40

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Solution

The fourth proportional to 626,476.40, 938,159.40 and 502,060.40 is: 751,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,476.40 : 938,159.40 = 502,060.40 : x
  2. Step 2: Convert to fraction form
    626,476.40/938,159.40 = 502,060.40/x
  3. Step 3: Cross multiply
    626,476.40x = 938,159.40 × 502,060.40
  4. Step 4: Simplify right side
    626,476.40x = 471,012,683,627.76
  5. Step 5: Solve for x
    x = 471,012,683,627.76/626,476.40
  6. Step 6: Final answer
    x = 751,844.26

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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.