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Finding the Fourth Proportional to 286,481.46, 429,348.54 and 160,116.60

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Solution

The fourth proportional to 286,481.46, 429,348.54 and 160,116.60 is: 239,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,481.46 : 429,348.54 = 160,116.60 : x
  2. Step 2: Convert to fraction form
    286,481.46/429,348.54 = 160,116.60/x
  3. Step 3: Cross multiply
    286,481.46x = 429,348.54 × 160,116.60
  4. Step 4: Simplify right side
    286,481.46x = 68,745,828,439.76
  5. Step 5: Solve for x
    x = 68,745,828,439.76/286,481.46
  6. Step 6: Final answer
    x = 239,966.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.