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Finding the Fourth Proportional to 296,381.68, 409,001.88 and 169,056.88

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Solution

The fourth proportional to 296,381.68, 409,001.88 and 169,056.88 is: 233,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,381.68 : 409,001.88 = 169,056.88 : x
  2. Step 2: Convert to fraction form
    296,381.68/409,001.88 = 169,056.88/x
  3. Step 3: Cross multiply
    296,381.68x = 409,001.88 × 169,056.88
  4. Step 4: Simplify right side
    296,381.68x = 69,144,581,746.93
  5. Step 5: Solve for x
    x = 69,144,581,746.93/296,381.68
  6. Step 6: Final answer
    x = 233,295.73

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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.