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Finding the Fourth Proportional to 625,610.79, 939,672.90 and 373,384.08

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Solution

The fourth proportional to 625,610.79, 939,672.90 and 373,384.08 is: 560,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,610.79 : 939,672.90 = 373,384.08 : x
  2. Step 2: Convert to fraction form
    625,610.79/939,672.90 = 373,384.08/x
  3. Step 3: Cross multiply
    625,610.79x = 939,672.90 × 373,384.08
  4. Step 4: Simplify right side
    625,610.79x = 350,858,901,267.43
  5. Step 5: Solve for x
    x = 350,858,901,267.43/625,610.79
  6. Step 6: Final answer
    x = 560,826.17

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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.