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Finding the Fourth Proportional to 404,658,468.24, 558,442,207.08 and 247,995,303.90

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Solution

The fourth proportional to 404,658,468.24, 558,442,207.08 and 247,995,303.90 is: 342,241,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,658,468.24 : 558,442,207.08 = 247,995,303.90 : x
  2. Step 2: Convert to fraction form
    404,658,468.24/558,442,207.08 = 247,995,303.90/x
  3. Step 3: Cross multiply
    404,658,468.24x = 558,442,207.08 × 247,995,303.90
  4. Step 4: Simplify right side
    404,658,468.24x = 138,491,044,855,391,344
  5. Step 5: Solve for x
    x = 138,491,044,855,391,344/404,658,468.24
  6. Step 6: Final answer
    x = 342,241,805.68

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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.