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Finding the Fourth Proportional to 354,373.96, 527,608 and 349,410.28

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Solution

The fourth proportional to 354,373.96, 527,608 and 349,410.28 is: 520,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,373.96 : 527,608 = 349,410.28 : x
  2. Step 2: Convert to fraction form
    354,373.96/527,608 = 349,410.28/x
  3. Step 3: Cross multiply
    354,373.96x = 527,608 × 349,410.28
  4. Step 4: Simplify right side
    354,373.96x = 184,351,659,010.24
  5. Step 5: Solve for x
    x = 184,351,659,010.24/354,373.96
  6. Step 6: Final answer
    x = 520,217.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.