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Finding the Fourth Proportional to 551,472.40, 827,110.20 and 146,666.92

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Solution

The fourth proportional to 551,472.40, 827,110.20 and 146,666.92 is: 219,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,472.40 : 827,110.20 = 146,666.92 : x
  2. Step 2: Convert to fraction form
    551,472.40/827,110.20 = 146,666.92/x
  3. Step 3: Cross multiply
    551,472.40x = 827,110.20 × 146,666.92
  4. Step 4: Simplify right side
    551,472.40x = 121,309,705,534.58
  5. Step 5: Solve for x
    x = 121,309,705,534.58/551,472.40
  6. Step 6: Final answer
    x = 219,974.21

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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.