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Finding the Fourth Proportional to 394,060.13, 543,803.58 and 224,294.25

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Solution

The fourth proportional to 394,060.13, 543,803.58 and 224,294.25 is: 309,526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,060.13 : 543,803.58 = 224,294.25 : x
  2. Step 2: Convert to fraction form
    394,060.13/543,803.58 = 224,294.25/x
  3. Step 3: Cross multiply
    394,060.13x = 543,803.58 × 224,294.25
  4. Step 4: Simplify right side
    394,060.13x = 121,972,016,123.42
  5. Step 5: Solve for x
    x = 121,972,016,123.42/394,060.13
  6. Step 6: Final answer
    x = 309,526.41

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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.