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Finding the Fourth Proportional to 272,832.30, 409,248.45 and 229,529.70

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Solution

The fourth proportional to 272,832.30, 409,248.45 and 229,529.70 is: 344,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,832.30 : 409,248.45 = 229,529.70 : x
  2. Step 2: Convert to fraction form
    272,832.30/409,248.45 = 229,529.70/x
  3. Step 3: Cross multiply
    272,832.30x = 409,248.45 × 229,529.70
  4. Step 4: Simplify right side
    272,832.30x = 93,934,673,953.97
  5. Step 5: Solve for x
    x = 93,934,673,953.97/272,832.30
  6. Step 6: Final answer
    x = 344,294.55

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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.