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Finding the Fourth Proportional to 356,676.37, 534,859.02 and 134,904.85

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Solution

The fourth proportional to 356,676.37, 534,859.02 and 134,904.85 is: 202,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,676.37 : 534,859.02 = 134,904.85 : x
  2. Step 2: Convert to fraction form
    356,676.37/534,859.02 = 134,904.85/x
  3. Step 3: Cross multiply
    356,676.37x = 534,859.02 × 134,904.85
  4. Step 4: Simplify right side
    356,676.37x = 72,155,074,527.10
  5. Step 5: Solve for x
    x = 72,155,074,527.10/356,676.37
  6. Step 6: Final answer
    x = 202,298.45

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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.