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Finding the Fourth Proportional to 499,114.80, 749,255.40 and 495,615.60

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Solution

The fourth proportional to 499,114.80, 749,255.40 and 495,615.60 is: 744,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,114.80 : 749,255.40 = 495,615.60 : x
  2. Step 2: Convert to fraction form
    499,114.80/749,255.40 = 495,615.60/x
  3. Step 3: Cross multiply
    499,114.80x = 749,255.40 × 495,615.60
  4. Step 4: Simplify right side
    499,114.80x = 371,342,664,624.24
  5. Step 5: Solve for x
    x = 371,342,664,624.24/499,114.80
  6. Step 6: Final answer
    x = 744,002.51

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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.