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Finding the Fourth Proportional to 615,049.40, 922,574.10 and 377,622.20

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Solution

The fourth proportional to 615,049.40, 922,574.10 and 377,622.20 is: 566,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,049.40 : 922,574.10 = 377,622.20 : x
  2. Step 2: Convert to fraction form
    615,049.40/922,574.10 = 377,622.20/x
  3. Step 3: Cross multiply
    615,049.40x = 922,574.10 × 377,622.20
  4. Step 4: Simplify right side
    615,049.40x = 348,384,461,305.02
  5. Step 5: Solve for x
    x = 348,384,461,305.02/615,049.40
  6. Step 6: Final answer
    x = 566,433.30

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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.