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Finding the Fourth Proportional to 292,717.76, 403,950.90 and 158,581.76

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Solution

The fourth proportional to 292,717.76, 403,950.90 and 158,581.76 is: 218,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,717.76 : 403,950.90 = 158,581.76 : x
  2. Step 2: Convert to fraction form
    292,717.76/403,950.90 = 158,581.76/x
  3. Step 3: Cross multiply
    292,717.76x = 403,950.90 × 158,581.76
  4. Step 4: Simplify right side
    292,717.76x = 64,059,244,675.58
  5. Step 5: Solve for x
    x = 64,059,244,675.58/292,717.76
  6. Step 6: Final answer
    x = 218,843.04

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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.