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Finding the Fourth Proportional to 625,522.96, 938,140.26 and 372,874.60

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Solution

The fourth proportional to 625,522.96, 938,140.26 and 372,874.60 is: 559,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,522.96 : 938,140.26 = 372,874.60 : x
  2. Step 2: Convert to fraction form
    625,522.96/938,140.26 = 372,874.60/x
  3. Step 3: Cross multiply
    625,522.96x = 938,140.26 × 372,874.60
  4. Step 4: Simplify right side
    625,522.96x = 349,808,674,191.40
  5. Step 5: Solve for x
    x = 349,808,674,191.40/625,522.96
  6. Step 6: Final answer
    x = 559,225.95

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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.