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Finding the Fourth Proportional to 495,902.40, 743,853.60 and 296,836.80

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Solution

The fourth proportional to 495,902.40, 743,853.60 and 296,836.80 is: 445,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,902.40 : 743,853.60 = 296,836.80 : x
  2. Step 2: Convert to fraction form
    495,902.40/743,853.60 = 296,836.80/x
  3. Step 3: Cross multiply
    495,902.40x = 743,853.60 × 296,836.80
  4. Step 4: Simplify right side
    495,902.40x = 220,803,122,292.48
  5. Step 5: Solve for x
    x = 220,803,122,292.48/495,902.40
  6. Step 6: Final answer
    x = 445,255.20

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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.