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Finding the Fourth Proportional to 500,655.60, 750,983.40 and 366,811.20

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Solution

The fourth proportional to 500,655.60, 750,983.40 and 366,811.20 is: 550,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,655.60 : 750,983.40 = 366,811.20 : x
  2. Step 2: Convert to fraction form
    500,655.60/750,983.40 = 366,811.20/x
  3. Step 3: Cross multiply
    500,655.60x = 750,983.40 × 366,811.20
  4. Step 4: Simplify right side
    500,655.60x = 275,469,122,134.08
  5. Step 5: Solve for x
    x = 275,469,122,134.08/500,655.60
  6. Step 6: Final answer
    x = 550,216.80

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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.