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Finding the Fourth Proportional to 495,632.80, 743,449.20 and 470,044.90

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Solution

The fourth proportional to 495,632.80, 743,449.20 and 470,044.90 is: 705,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,632.80 : 743,449.20 = 470,044.90 : x
  2. Step 2: Convert to fraction form
    495,632.80/743,449.20 = 470,044.90/x
  3. Step 3: Cross multiply
    495,632.80x = 743,449.20 × 470,044.90
  4. Step 4: Simplify right side
    495,632.80x = 349,454,504,869.08
  5. Step 5: Solve for x
    x = 349,454,504,869.08/495,632.80
  6. Step 6: Final answer
    x = 705,067.35

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Similar ratio
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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.