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Finding the Fourth Proportional to 515,397.22, 773,168.76 and 160,447.12

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Solution

The fourth proportional to 515,397.22, 773,168.76 and 160,447.12 is: 240,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,397.22 : 773,168.76 = 160,447.12 : x
  2. Step 2: Convert to fraction form
    515,397.22/773,168.76 = 160,447.12/x
  3. Step 3: Cross multiply
    515,397.22x = 773,168.76 × 160,447.12
  4. Step 4: Simplify right side
    515,397.22x = 124,052,700,815.97
  5. Step 5: Solve for x
    x = 124,052,700,815.97/515,397.22
  6. Step 6: Final answer
    x = 240,693.38

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1.5x scale

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.