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Finding the Fourth Proportional to 542,205.36, 748,064.16 and 327,263.76

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Solution

The fourth proportional to 542,205.36, 748,064.16 and 327,263.76 is: 451,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,205.36 : 748,064.16 = 327,263.76 : x
  2. Step 2: Convert to fraction form
    542,205.36/748,064.16 = 327,263.76/x
  3. Step 3: Cross multiply
    542,205.36x = 748,064.16 × 327,263.76
  4. Step 4: Simplify right side
    542,205.36x = 244,814,289,722.84
  5. Step 5: Solve for x
    x = 244,814,289,722.84/542,205.36
  6. Step 6: Final answer
    x = 451,515.81

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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.