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Finding the Fourth Proportional to 347,254.92, 523,485.11 and 324,108.18

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Solution

The fourth proportional to 347,254.92, 523,485.11 and 324,108.18 is: 488,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,254.92 : 523,485.11 = 324,108.18 : x
  2. Step 2: Convert to fraction form
    347,254.92/523,485.11 = 324,108.18/x
  3. Step 3: Cross multiply
    347,254.92x = 523,485.11 × 324,108.18
  4. Step 4: Simplify right side
    347,254.92x = 169,665,807,069.47
  5. Step 5: Solve for x
    x = 169,665,807,069.47/347,254.92
  6. Step 6: Final answer
    x = 488,591.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.