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Finding the Fourth Proportional to 450,706.44, 676,149.87 and 166,398.72

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Solution

The fourth proportional to 450,706.44, 676,149.87 and 166,398.72 is: 249,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,706.44 : 676,149.87 = 166,398.72 : x
  2. Step 2: Convert to fraction form
    450,706.44/676,149.87 = 166,398.72/x
  3. Step 3: Cross multiply
    450,706.44x = 676,149.87 × 166,398.72
  4. Step 4: Simplify right side
    450,706.44x = 112,510,472,896.17
  5. Step 5: Solve for x
    x = 112,510,472,896.17/450,706.44
  6. Step 6: Final answer
    x = 249,631.39

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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.