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Finding the Fourth Proportional to 296,672.76, 409,410.36 and 160,706.72

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Solution

The fourth proportional to 296,672.76, 409,410.36 and 160,706.72 is: 221,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,672.76 : 409,410.36 = 160,706.72 : x
  2. Step 2: Convert to fraction form
    296,672.76/409,410.36 = 160,706.72/x
  3. Step 3: Cross multiply
    296,672.76x = 409,410.36 × 160,706.72
  4. Step 4: Simplify right side
    296,672.76x = 65,794,996,089.62
  5. Step 5: Solve for x
    x = 65,794,996,089.62/296,672.76
  6. Step 6: Final answer
    x = 221,776.33

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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.