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Finding the Fourth Proportional to 475,681.52, 656,460.60 and 271,766

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Solution

The fourth proportional to 475,681.52, 656,460.60 and 271,766 is: 375,048.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,681.52 : 656,460.60 = 271,766 : x
  2. Step 2: Convert to fraction form
    475,681.52/656,460.60 = 271,766/x
  3. Step 3: Cross multiply
    475,681.52x = 656,460.60 × 271,766
  4. Step 4: Simplify right side
    475,681.52x = 178,403,671,419.60
  5. Step 5: Solve for x
    x = 178,403,671,419.60/475,681.52
  6. Step 6: Final answer
    x = 375,048.56

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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.