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Finding the Fourth Proportional to 653,362.38, 979,499.25 and 568,915.02

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Solution

The fourth proportional to 653,362.38, 979,499.25 and 568,915.02 is: 852,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,362.38 : 979,499.25 = 568,915.02 : x
  2. Step 2: Convert to fraction form
    653,362.38/979,499.25 = 568,915.02/x
  3. Step 3: Cross multiply
    653,362.38x = 979,499.25 × 568,915.02
  4. Step 4: Simplify right side
    653,362.38x = 557,251,835,403.74
  5. Step 5: Solve for x
    x = 557,251,835,403.74/653,362.38
  6. Step 6: Final answer
    x = 852,898.56

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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.