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Finding the Fourth Proportional to 495,880.60, 743,820.90 and 296,426.20

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Solution

The fourth proportional to 495,880.60, 743,820.90 and 296,426.20 is: 444,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,880.60 : 743,820.90 = 296,426.20 : x
  2. Step 2: Convert to fraction form
    495,880.60/743,820.90 = 296,426.20/x
  3. Step 3: Cross multiply
    495,880.60x = 743,820.90 × 296,426.20
  4. Step 4: Simplify right side
    495,880.60x = 220,488,002,867.58
  5. Step 5: Solve for x
    x = 220,488,002,867.58/495,880.60
  6. Step 6: Final answer
    x = 444,639.30

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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.