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Finding the Fourth Proportional to 296,938.80, 445,404.15 and 97,265.70

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Solution

The fourth proportional to 296,938.80, 445,404.15 and 97,265.70 is: 145,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,938.80 : 445,404.15 = 97,265.70 : x
  2. Step 2: Convert to fraction form
    296,938.80/445,404.15 = 97,265.70/x
  3. Step 3: Cross multiply
    296,938.80x = 445,404.15 × 97,265.70
  4. Step 4: Simplify right side
    296,938.80x = 43,322,546,432.66
  5. Step 5: Solve for x
    x = 43,322,546,432.66/296,938.80
  6. Step 6: Final answer
    x = 145,897.22

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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.