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Finding the Fourth Proportional to 296,064.92, 408,575.58 and 161,937.56

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Solution

The fourth proportional to 296,064.92, 408,575.58 and 161,937.56 is: 223,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,064.92 : 408,575.58 = 161,937.56 : x
  2. Step 2: Convert to fraction form
    296,064.92/408,575.58 = 161,937.56/x
  3. Step 3: Cross multiply
    296,064.92x = 408,575.58 × 161,937.56
  4. Step 4: Simplify right side
    296,064.92x = 66,163,732,500.78
  5. Step 5: Solve for x
    x = 66,163,732,500.78/296,064.92
  6. Step 6: Final answer
    x = 223,477.11

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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.