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Finding the Fourth Proportional to 291,949.92, 402,900.84 and 169,432.88

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Solution

The fourth proportional to 291,949.92, 402,900.84 and 169,432.88 is: 233,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,949.92 : 402,900.84 = 169,432.88 : x
  2. Step 2: Convert to fraction form
    291,949.92/402,900.84 = 169,432.88/x
  3. Step 3: Cross multiply
    291,949.92x = 402,900.84 × 169,432.88
  4. Step 4: Simplify right side
    291,949.92x = 68,264,649,675.62
  5. Step 5: Solve for x
    x = 68,264,649,675.62/291,949.92
  6. Step 6: Final answer
    x = 233,823.15

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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.