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Finding the Fourth Proportional to 648,542.62, 894,951.48 and 362,080.90

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Solution

The fourth proportional to 648,542.62, 894,951.48 and 362,080.90 is: 499,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,542.62 : 894,951.48 = 362,080.90 : x
  2. Step 2: Convert to fraction form
    648,542.62/894,951.48 = 362,080.90/x
  3. Step 3: Cross multiply
    648,542.62x = 894,951.48 × 362,080.90
  4. Step 4: Simplify right side
    648,542.62x = 324,044,837,334.73
  5. Step 5: Solve for x
    x = 324,044,837,334.73/648,542.62
  6. Step 6: Final answer
    x = 499,650.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.