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Finding the Fourth Proportional to 675,782.92, 932,488.18 and 403,793.38

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Solution

The fourth proportional to 675,782.92, 932,488.18 and 403,793.38 is: 557,179.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,782.92 : 932,488.18 = 403,793.38 : x
  2. Step 2: Convert to fraction form
    675,782.92/932,488.18 = 403,793.38/x
  3. Step 3: Cross multiply
    675,782.92x = 932,488.18 × 403,793.38
  4. Step 4: Simplify right side
    675,782.92x = 376,532,554,012.25
  5. Step 5: Solve for x
    x = 376,532,554,012.25/675,782.92
  6. Step 6: Final answer
    x = 557,179.74

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1.5x scale

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.