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Finding the Fourth Proportional to 615,114.10, 922,671.15 and 560,001.70

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Solution

The fourth proportional to 615,114.10, 922,671.15 and 560,001.70 is: 840,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,114.10 : 922,671.15 = 560,001.70 : x
  2. Step 2: Convert to fraction form
    615,114.10/922,671.15 = 560,001.70/x
  3. Step 3: Cross multiply
    615,114.10x = 922,671.15 × 560,001.70
  4. Step 4: Simplify right side
    615,114.10x = 516,697,412,540.96
  5. Step 5: Solve for x
    x = 516,697,412,540.96/615,114.10
  6. Step 6: Final answer
    x = 840,002.55

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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.