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Finding the Fourth Proportional to 615,025.80, 922,538.70 and 377,598.60

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Solution

The fourth proportional to 615,025.80, 922,538.70 and 377,598.60 is: 566,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,025.80 : 922,538.70 = 377,598.60 : x
  2. Step 2: Convert to fraction form
    615,025.80/922,538.70 = 377,598.60/x
  3. Step 3: Cross multiply
    615,025.80x = 922,538.70 × 377,598.60
  4. Step 4: Simplify right side
    615,025.80x = 348,349,321,565.82
  5. Step 5: Solve for x
    x = 348,349,321,565.82/615,025.80
  6. Step 6: Final answer
    x = 566,397.90

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Similar ratio
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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.