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Finding the Fourth Proportional to 499,566.80, 749,350.20 and 246,749.60

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Solution

The fourth proportional to 499,566.80, 749,350.20 and 246,749.60 is: 370,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,566.80 : 749,350.20 = 246,749.60 : x
  2. Step 2: Convert to fraction form
    499,566.80/749,350.20 = 246,749.60/x
  3. Step 3: Cross multiply
    499,566.80x = 749,350.20 × 246,749.60
  4. Step 4: Simplify right side
    499,566.80x = 184,901,862,109.92
  5. Step 5: Solve for x
    x = 184,901,862,109.92/499,566.80
  6. Step 6: Final answer
    x = 370,124.40

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Similar ratio
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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.