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Finding the Fourth Proportional to 587,228.20, 880,842.30 and 495,989.80

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Solution

The fourth proportional to 587,228.20, 880,842.30 and 495,989.80 is: 743,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,228.20 : 880,842.30 = 495,989.80 : x
  2. Step 2: Convert to fraction form
    587,228.20/880,842.30 = 495,989.80/x
  3. Step 3: Cross multiply
    587,228.20x = 880,842.30 × 495,989.80
  4. Step 4: Simplify right side
    587,228.20x = 436,888,796,208.54
  5. Step 5: Solve for x
    x = 436,888,796,208.54/587,228.20
  6. Step 6: Final answer
    x = 743,984.70

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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.