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Finding the Fourth Proportional to 366,877.60, 549,279.60 and 329,552.80

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Solution

The fourth proportional to 366,877.60, 549,279.60 and 329,552.80 is: 493,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,877.60 : 549,279.60 = 329,552.80 : x
  2. Step 2: Convert to fraction form
    366,877.60/549,279.60 = 329,552.80/x
  3. Step 3: Cross multiply
    366,877.60x = 549,279.60 × 329,552.80
  4. Step 4: Simplify right side
    366,877.60x = 181,016,630,162.88
  5. Step 5: Solve for x
    x = 181,016,630,162.88/366,877.60
  6. Step 6: Final answer
    x = 493,397.88

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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.