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Finding the Fourth Proportional to 448,060.38, 617,908.02 and 327,009.94

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Solution

The fourth proportional to 448,060.38, 617,908.02 and 327,009.94 is: 450,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,060.38 : 617,908.02 = 327,009.94 : x
  2. Step 2: Convert to fraction form
    448,060.38/617,908.02 = 327,009.94/x
  3. Step 3: Cross multiply
    448,060.38x = 617,908.02 × 327,009.94
  4. Step 4: Simplify right side
    448,060.38x = 202,062,064,545.72
  5. Step 5: Solve for x
    x = 202,062,064,545.72/448,060.38
  6. Step 6: Final answer
    x = 450,970.61

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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.