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Finding the Fourth Proportional to 341,330.76, 511,996.12 and 92,012.76

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Solution

The fourth proportional to 341,330.76, 511,996.12 and 92,012.76 is: 138,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,330.76 : 511,996.12 = 92,012.76 : x
  2. Step 2: Convert to fraction form
    341,330.76/511,996.12 = 92,012.76/x
  3. Step 3: Cross multiply
    341,330.76x = 511,996.12 × 92,012.76
  4. Step 4: Simplify right side
    341,330.76x = 47,110,176,110.49
  5. Step 5: Solve for x
    x = 47,110,176,110.49/341,330.76
  6. Step 6: Final answer
    x = 138,019.13

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.