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Finding the Fourth Proportional to 615,078.30, 922,617.45 and 377,651.10

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Solution

The fourth proportional to 615,078.30, 922,617.45 and 377,651.10 is: 566,476.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,078.30 : 922,617.45 = 377,651.10 : x
  2. Step 2: Convert to fraction form
    615,078.30/922,617.45 = 377,651.10/x
  3. Step 3: Cross multiply
    615,078.30x = 922,617.45 × 377,651.10
  4. Step 4: Simplify right side
    615,078.30x = 348,427,494,871.70
  5. Step 5: Solve for x
    x = 348,427,494,871.70/615,078.30
  6. Step 6: Final answer
    x = 566,476.65

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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.