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Finding the Fourth Proportional to 328,603.24, 453,061.58 and 274,233.61

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Solution

The fourth proportional to 328,603.24, 453,061.58 and 274,233.61 is: 378,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,603.24 : 453,061.58 = 274,233.61 : x
  2. Step 2: Convert to fraction form
    328,603.24/453,061.58 = 274,233.61/x
  3. Step 3: Cross multiply
    328,603.24x = 453,061.58 × 274,233.61
  4. Step 4: Simplify right side
    328,603.24x = 124,244,712,635.70
  5. Step 5: Solve for x
    x = 124,244,712,635.70/328,603.24
  6. Step 6: Final answer
    x = 378,099.48

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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.