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Finding the Fourth Proportional to 292,998.75, 404,338.28 and 158,862.75

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Solution

The fourth proportional to 292,998.75, 404,338.28 and 158,862.75 is: 219,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,998.75 : 404,338.28 = 158,862.75 : x
  2. Step 2: Convert to fraction form
    292,998.75/404,338.28 = 158,862.75/x
  3. Step 3: Cross multiply
    292,998.75x = 404,338.28 × 158,862.75
  4. Step 4: Simplify right side
    292,998.75x = 64,234,290,296.76
  5. Step 5: Solve for x
    x = 64,234,290,296.76/292,998.75
  6. Step 6: Final answer
    x = 219,230.60

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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.