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Finding the Fourth Proportional to 626,873.60, 940,310.40 and 532,395.20

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Solution

The fourth proportional to 626,873.60, 940,310.40 and 532,395.20 is: 798,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,873.60 : 940,310.40 = 532,395.20 : x
  2. Step 2: Convert to fraction form
    626,873.60/940,310.40 = 532,395.20/x
  3. Step 3: Cross multiply
    626,873.60x = 940,310.40 × 532,395.20
  4. Step 4: Simplify right side
    626,873.60x = 500,616,743,470.08
  5. Step 5: Solve for x
    x = 500,616,743,470.08/626,873.60
  6. Step 6: Final answer
    x = 798,592.80

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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.