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Finding the Fourth Proportional to 768,350.52, 1,060,462.50 and 458,272.97

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Solution

The fourth proportional to 768,350.52, 1,060,462.50 and 458,272.97 is: 632,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,350.52 : 1,060,462.50 = 458,272.97 : x
  2. Step 2: Convert to fraction form
    768,350.52/1,060,462.50 = 458,272.97/x
  3. Step 3: Cross multiply
    768,350.52x = 1,060,462.50 × 458,272.97
  4. Step 4: Simplify right side
    768,350.52x = 485,981,296,404.52
  5. Step 5: Solve for x
    x = 485,981,296,404.52/768,350.52
  6. Step 6: Final answer
    x = 632,499.47

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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.