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Finding the Fourth Proportional to 363,034.72, 544,554.78 and 126,376.84

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Solution

The fourth proportional to 363,034.72, 544,554.78 and 126,376.84 is: 189,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,034.72 : 544,554.78 = 126,376.84 : x
  2. Step 2: Convert to fraction form
    363,034.72/544,554.78 = 126,376.84/x
  3. Step 3: Cross multiply
    363,034.72x = 544,554.78 × 126,376.84
  4. Step 4: Simplify right side
    363,034.72x = 68,819,112,303.30
  5. Step 5: Solve for x
    x = 68,819,112,303.30/363,034.72
  6. Step 6: Final answer
    x = 189,566.20

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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.