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Finding the Fourth Proportional to 438,529.29, 605,170.41 and 237,325.29

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Solution

The fourth proportional to 438,529.29, 605,170.41 and 237,325.29 is: 327,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,529.29 : 605,170.41 = 237,325.29 : x
  2. Step 2: Convert to fraction form
    438,529.29/605,170.41 = 237,325.29/x
  3. Step 3: Cross multiply
    438,529.29x = 605,170.41 × 237,325.29
  4. Step 4: Simplify right side
    438,529.29x = 143,622,243,052.67
  5. Step 5: Solve for x
    x = 143,622,243,052.67/438,529.29
  6. Step 6: Final answer
    x = 327,508.89

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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.