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Finding the Fourth Proportional to 292,806.76, 404,073.46 and 158,670.76

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Solution

The fourth proportional to 292,806.76, 404,073.46 and 158,670.76 is: 218,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,806.76 : 404,073.46 = 158,670.76 : x
  2. Step 2: Convert to fraction form
    292,806.76/404,073.46 = 158,670.76/x
  3. Step 3: Cross multiply
    292,806.76x = 404,073.46 × 158,670.76
  4. Step 4: Simplify right side
    292,806.76x = 64,114,642,994.03
  5. Step 5: Solve for x
    x = 64,114,642,994.03/292,806.76
  6. Step 6: Final answer
    x = 218,965.72

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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.