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Finding the Fourth Proportional to 292,780.46, 404,033.72 and 158,644.46

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Solution

The fourth proportional to 292,780.46, 404,033.72 and 158,644.46 is: 218,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,780.46 : 404,033.72 = 158,644.46 : x
  2. Step 2: Convert to fraction form
    292,780.46/404,033.72 = 158,644.46/x
  3. Step 3: Cross multiply
    292,780.46x = 404,033.72 × 158,644.46
  4. Step 4: Simplify right side
    292,780.46x = 64,097,708,517.80
  5. Step 5: Solve for x
    x = 64,097,708,517.80/292,780.46
  6. Step 6: Final answer
    x = 218,927.55

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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.