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Finding the Fourth Proportional to 625,752.12, 938,071.38 and 226,304.10

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Solution

The fourth proportional to 625,752.12, 938,071.38 and 226,304.10 is: 339,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,752.12 : 938,071.38 = 226,304.10 : x
  2. Step 2: Convert to fraction form
    625,752.12/938,071.38 = 226,304.10/x
  3. Step 3: Cross multiply
    625,752.12x = 938,071.38 × 226,304.10
  4. Step 4: Simplify right side
    625,752.12x = 212,289,399,386.66
  5. Step 5: Solve for x
    x = 212,289,399,386.66/625,752.12
  6. Step 6: Final answer
    x = 339,254.78

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1.5x scale

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.