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Finding the Fourth Proportional to 475,663.60, 655,925.76 and 332,371.36

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Solution

The fourth proportional to 475,663.60, 655,925.76 and 332,371.36 is: 458,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,663.60 : 655,925.76 = 332,371.36 : x
  2. Step 2: Convert to fraction form
    475,663.60/655,925.76 = 332,371.36/x
  3. Step 3: Cross multiply
    475,663.60x = 655,925.76 × 332,371.36
  4. Step 4: Simplify right side
    475,663.60x = 218,010,936,910.23
  5. Step 5: Solve for x
    x = 218,010,936,910.23/475,663.60
  6. Step 6: Final answer
    x = 458,330.08

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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.