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Finding the Fourth Proportional to 395,956.08, 546,276.15 and 260,063.73

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Solution

The fourth proportional to 395,956.08, 546,276.15 and 260,063.73 is: 358,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,956.08 : 546,276.15 = 260,063.73 : x
  2. Step 2: Convert to fraction form
    395,956.08/546,276.15 = 260,063.73/x
  3. Step 3: Cross multiply
    395,956.08x = 546,276.15 × 260,063.73
  4. Step 4: Simplify right side
    395,956.08x = 142,066,613,179.04
  5. Step 5: Solve for x
    x = 142,066,613,179.04/395,956.08
  6. Step 6: Final answer
    x = 358,793.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.