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Finding the Fourth Proportional to 366,358.08, 549,599.40 and 126,406.92

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Solution

The fourth proportional to 366,358.08, 549,599.40 and 126,406.92 is: 189,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,358.08 : 549,599.40 = 126,406.92 : x
  2. Step 2: Convert to fraction form
    366,358.08/549,599.40 = 126,406.92/x
  3. Step 3: Cross multiply
    366,358.08x = 549,599.40 × 126,406.92
  4. Step 4: Simplify right side
    366,358.08x = 69,473,167,387.85
  5. Step 5: Solve for x
    x = 69,473,167,387.85/366,358.08
  6. Step 6: Final answer
    x = 189,631.87

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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.