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Finding the Fourth Proportional to 653,758.78, 902,181.72 and 367,272.76

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Solution

The fourth proportional to 653,758.78, 902,181.72 and 367,272.76 is: 506,833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,758.78 : 902,181.72 = 367,272.76 : x
  2. Step 2: Convert to fraction form
    653,758.78/902,181.72 = 367,272.76/x
  3. Step 3: Cross multiply
    653,758.78x = 902,181.72 × 367,272.76
  4. Step 4: Simplify right side
    653,758.78x = 331,346,770,325.95
  5. Step 5: Solve for x
    x = 331,346,770,325.95/653,758.78
  6. Step 6: Final answer
    x = 506,833.38

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Similar ratio
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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.