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Finding the Fourth Proportional to 615,227.80, 922,841.70 and 194,632.60

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Solution

The fourth proportional to 615,227.80, 922,841.70 and 194,632.60 is: 291,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,227.80 : 922,841.70 = 194,632.60 : x
  2. Step 2: Convert to fraction form
    615,227.80/922,841.70 = 194,632.60/x
  3. Step 3: Cross multiply
    615,227.80x = 922,841.70 × 194,632.60
  4. Step 4: Simplify right side
    615,227.80x = 179,615,079,459.42
  5. Step 5: Solve for x
    x = 179,615,079,459.42/615,227.80
  6. Step 6: Final answer
    x = 291,948.90

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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.