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Finding the Fourth Proportional to 292,311.73, 403,391.55 and 158,175.73

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Solution

The fourth proportional to 292,311.73, 403,391.55 and 158,175.73 is: 218,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,311.73 : 403,391.55 = 158,175.73 : x
  2. Step 2: Convert to fraction form
    292,311.73/403,391.55 = 158,175.73/x
  3. Step 3: Cross multiply
    292,311.73x = 403,391.55 × 158,175.73
  4. Step 4: Simplify right side
    292,311.73x = 63,806,752,897.08
  5. Step 5: Solve for x
    x = 63,806,752,897.08/292,311.73
  6. Step 6: Final answer
    x = 218,283.24

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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.