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Finding the Fourth Proportional to 653,488.80, 901,862.40 and 367,025.76

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Solution

The fourth proportional to 653,488.80, 901,862.40 and 367,025.76 is: 506,522.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,488.80 : 901,862.40 = 367,025.76 : x
  2. Step 2: Convert to fraction form
    653,488.80/901,862.40 = 367,025.76/x
  3. Step 3: Cross multiply
    653,488.80x = 901,862.40 × 367,025.76
  4. Step 4: Simplify right side
    653,488.80x = 331,006,732,775.42
  5. Step 5: Solve for x
    x = 331,006,732,775.42/653,488.80
  6. Step 6: Final answer
    x = 506,522.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.