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Finding the Fourth Proportional to 356,330.88, 534,496.86 and 146,116.44

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Solution

The fourth proportional to 356,330.88, 534,496.86 and 146,116.44 is: 219,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,330.88 : 534,496.86 = 146,116.44 : x
  2. Step 2: Convert to fraction form
    356,330.88/534,496.86 = 146,116.44/x
  3. Step 3: Cross multiply
    356,330.88x = 534,496.86 × 146,116.44
  4. Step 4: Simplify right side
    356,330.88x = 78,098,778,374.38
  5. Step 5: Solve for x
    x = 78,098,778,374.38/356,330.88
  6. Step 6: Final answer
    x = 219,174.88

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1.5x scale

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.