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Finding the Fourth Proportional to 650,542.80, 974,431.80 and 539,950.80

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Solution

The fourth proportional to 650,542.80, 974,431.80 and 539,950.80 is: 808,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,542.80 : 974,431.80 = 539,950.80 : x
  2. Step 2: Convert to fraction form
    650,542.80/974,431.80 = 539,950.80/x
  3. Step 3: Cross multiply
    650,542.80x = 974,431.80 × 539,950.80
  4. Step 4: Simplify right side
    650,542.80x = 526,145,229,955.44
  5. Step 5: Solve for x
    x = 526,145,229,955.44/650,542.80
  6. Step 6: Final answer
    x = 808,778.81

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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.