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Finding the Fourth Proportional to 523,152.67, 722,170.08 and 353,616.43

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Solution

The fourth proportional to 523,152.67, 722,170.08 and 353,616.43 is: 488,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,152.67 : 722,170.08 = 353,616.43 : x
  2. Step 2: Convert to fraction form
    523,152.67/722,170.08 = 353,616.43/x
  3. Step 3: Cross multiply
    523,152.67x = 722,170.08 × 353,616.43
  4. Step 4: Simplify right side
    523,152.67x = 255,371,205,542.41
  5. Step 5: Solve for x
    x = 255,371,205,542.41/523,152.67
  6. Step 6: Final answer
    x = 488,138.97

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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.