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Finding the Fourth Proportional to 488,959.38, 732,301.80 and 475,505.82

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Solution

The fourth proportional to 488,959.38, 732,301.80 and 475,505.82 is: 712,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,959.38 : 732,301.80 = 475,505.82 : x
  2. Step 2: Convert to fraction form
    488,959.38/732,301.80 = 475,505.82/x
  3. Step 3: Cross multiply
    488,959.38x = 732,301.80 × 475,505.82
  4. Step 4: Simplify right side
    488,959.38x = 348,213,767,896.48
  5. Step 5: Solve for x
    x = 348,213,767,896.48/488,959.38
  6. Step 6: Final answer
    x = 712,152.75

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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.