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Finding the Fourth Proportional to 615,034.96, 922,519.63 and 165,748.61

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Solution

The fourth proportional to 615,034.96, 922,519.63 and 165,748.61 is: 248,614.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,034.96 : 922,519.63 = 165,748.61 : x
  2. Step 2: Convert to fraction form
    615,034.96/922,519.63 = 165,748.61/x
  3. Step 3: Cross multiply
    615,034.96x = 922,519.63 × 165,748.61
  4. Step 4: Simplify right side
    615,034.96x = 152,906,348,883.70
  5. Step 5: Solve for x
    x = 152,906,348,883.70/615,034.96
  6. Step 6: Final answer
    x = 248,614.08

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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.