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Finding the Fourth Proportional to 542,246.60, 748,300.38 and 300,544.76

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Solution

The fourth proportional to 542,246.60, 748,300.38 and 300,544.76 is: 414,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,246.60 : 748,300.38 = 300,544.76 : x
  2. Step 2: Convert to fraction form
    542,246.60/748,300.38 = 300,544.76/x
  3. Step 3: Cross multiply
    542,246.60x = 748,300.38 × 300,544.76
  4. Step 4: Simplify right side
    542,246.60x = 224,897,758,115.01
  5. Step 5: Solve for x
    x = 224,897,758,115.01/542,246.60
  6. Step 6: Final answer
    x = 414,751.81

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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.