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Finding the Fourth Proportional to 625,603.12, 938,206.50 and 226,191.04

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Solution

The fourth proportional to 625,603.12, 938,206.50 and 226,191.04 is: 339,214.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,603.12 : 938,206.50 = 226,191.04 : x
  2. Step 2: Convert to fraction form
    625,603.12/938,206.50 = 226,191.04/x
  3. Step 3: Cross multiply
    625,603.12x = 938,206.50 × 226,191.04
  4. Step 4: Simplify right side
    625,603.12x = 212,213,903,969.76
  5. Step 5: Solve for x
    x = 212,213,903,969.76/625,603.12
  6. Step 6: Final answer
    x = 339,214.91

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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.