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Finding the Fourth Proportional to 292,757.76, 403,994.88 and 158,618.88

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Solution

The fourth proportional to 292,757.76, 403,994.88 and 158,618.88 is: 218,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,757.76 : 403,994.88 = 158,618.88 : x
  2. Step 2: Convert to fraction form
    292,757.76/403,994.88 = 158,618.88/x
  3. Step 3: Cross multiply
    292,757.76x = 403,994.88 × 158,618.88
  4. Step 4: Simplify right side
    292,757.76x = 64,081,215,391.33
  5. Step 5: Solve for x
    x = 64,081,215,391.33/292,757.76
  6. Step 6: Final answer
    x = 218,888.19

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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.