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Finding the Fourth Proportional to 296,219.79, 408,607.89 and 181,549.92

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Solution

The fourth proportional to 296,219.79, 408,607.89 and 181,549.92 is: 250,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,219.79 : 408,607.89 = 181,549.92 : x
  2. Step 2: Convert to fraction form
    296,219.79/408,607.89 = 181,549.92/x
  3. Step 3: Cross multiply
    296,219.79x = 408,607.89 × 181,549.92
  4. Step 4: Simplify right side
    296,219.79x = 74,182,729,740.87
  5. Step 5: Solve for x
    x = 74,182,729,740.87/296,219.79
  6. Step 6: Final answer
    x = 250,431.38

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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.