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Finding the Fourth Proportional to 615,102.60, 922,653.90 and 577,704.90

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Solution

The fourth proportional to 615,102.60, 922,653.90 and 577,704.90 is: 866,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,102.60 : 922,653.90 = 577,704.90 : x
  2. Step 2: Convert to fraction form
    615,102.60/922,653.90 = 577,704.90/x
  3. Step 3: Cross multiply
    615,102.60x = 922,653.90 × 577,704.90
  4. Step 4: Simplify right side
    615,102.60x = 533,021,679,034.11
  5. Step 5: Solve for x
    x = 533,021,679,034.11/615,102.60
  6. Step 6: Final answer
    x = 866,557.35

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Similar ratio
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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.