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Finding the Fourth Proportional to 576,132.60, 864,198.90 and 366,007.80

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Solution

The fourth proportional to 576,132.60, 864,198.90 and 366,007.80 is: 549,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,132.60 : 864,198.90 = 366,007.80 : x
  2. Step 2: Convert to fraction form
    576,132.60/864,198.90 = 366,007.80/x
  3. Step 3: Cross multiply
    576,132.60x = 864,198.90 × 366,007.80
  4. Step 4: Simplify right side
    576,132.60x = 316,303,538,151.42
  5. Step 5: Solve for x
    x = 316,303,538,151.42/576,132.60
  6. Step 6: Final answer
    x = 549,011.70

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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.