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Finding the Fourth Proportional to 542,947.93, 814,560.23 and 383,334.80

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Solution

The fourth proportional to 542,947.93, 814,560.23 and 383,334.80 is: 575,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,947.93 : 814,560.23 = 383,334.80 : x
  2. Step 2: Convert to fraction form
    542,947.93/814,560.23 = 383,334.80/x
  3. Step 3: Cross multiply
    542,947.93x = 814,560.23 × 383,334.80
  4. Step 4: Simplify right side
    542,947.93x = 312,249,279,740.54
  5. Step 5: Solve for x
    x = 312,249,279,740.54/542,947.93
  6. Step 6: Final answer
    x = 575,099.86

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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.