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Finding the Fourth Proportional to 626,187.60, 938,244.60 and 532,875.60

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Solution

The fourth proportional to 626,187.60, 938,244.60 and 532,875.60 is: 798,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,187.60 : 938,244.60 = 532,875.60 : x
  2. Step 2: Convert to fraction form
    626,187.60/938,244.60 = 532,875.60/x
  3. Step 3: Cross multiply
    626,187.60x = 938,244.60 × 532,875.60
  4. Step 4: Simplify right side
    626,187.60x = 499,967,654,171.76
  5. Step 5: Solve for x
    x = 499,967,654,171.76/626,187.60
  6. Step 6: Final answer
    x = 798,431.10

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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.