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Finding the Fourth Proportional to 263,714.73, 363,926.75 and 156,337.53

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Solution

The fourth proportional to 263,714.73, 363,926.75 and 156,337.53 is: 215,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,714.73 : 363,926.75 = 156,337.53 : x
  2. Step 2: Convert to fraction form
    263,714.73/363,926.75 = 156,337.53/x
  3. Step 3: Cross multiply
    263,714.73x = 363,926.75 × 156,337.53
  4. Step 4: Simplify right side
    263,714.73x = 56,895,409,195.93
  5. Step 5: Solve for x
    x = 56,895,409,195.93/263,714.73
  6. Step 6: Final answer
    x = 215,746.04

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1.5x scale

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.