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Finding the Fourth Proportional to 495,744.40, 743,616.60 and 163,277.20

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Solution

The fourth proportional to 495,744.40, 743,616.60 and 163,277.20 is: 244,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,744.40 : 743,616.60 = 163,277.20 : x
  2. Step 2: Convert to fraction form
    495,744.40/743,616.60 = 163,277.20/x
  3. Step 3: Cross multiply
    495,744.40x = 743,616.60 × 163,277.20
  4. Step 4: Simplify right side
    495,744.40x = 121,415,636,321.52
  5. Step 5: Solve for x
    x = 121,415,636,321.52/495,744.40
  6. Step 6: Final answer
    x = 244,915.80

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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.