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Finding the Fourth Proportional to 625,797.54, 938,139.53 and 226,349.46

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Solution

The fourth proportional to 625,797.54, 938,139.53 and 226,349.46 is: 339,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,797.54 : 938,139.53 = 226,349.46 : x
  2. Step 2: Convert to fraction form
    625,797.54/938,139.53 = 226,349.46/x
  3. Step 3: Cross multiply
    625,797.54x = 938,139.53 × 226,349.46
  4. Step 4: Simplify right side
    625,797.54x = 212,347,374,888.41
  5. Step 5: Solve for x
    x = 212,347,374,888.41/625,797.54
  6. Step 6: Final answer
    x = 339,322.80

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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.