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Finding the Fourth Proportional to 282,691.80, 424,037.70 and 164,496.60

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Solution

The fourth proportional to 282,691.80, 424,037.70 and 164,496.60 is: 246,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,691.80 : 424,037.70 = 164,496.60 : x
  2. Step 2: Convert to fraction form
    282,691.80/424,037.70 = 164,496.60/x
  3. Step 3: Cross multiply
    282,691.80x = 424,037.70 × 164,496.60
  4. Step 4: Simplify right side
    282,691.80x = 69,752,759,921.82
  5. Step 5: Solve for x
    x = 69,752,759,921.82/282,691.80
  6. Step 6: Final answer
    x = 246,744.90

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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.