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Finding the Fourth Proportional to 371,767.88, 513,044.34 and 202,004.84

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Solution

The fourth proportional to 371,767.88, 513,044.34 and 202,004.84 is: 278,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,767.88 : 513,044.34 = 202,004.84 : x
  2. Step 2: Convert to fraction form
    371,767.88/513,044.34 = 202,004.84/x
  3. Step 3: Cross multiply
    371,767.88x = 513,044.34 × 202,004.84
  4. Step 4: Simplify right side
    371,767.88x = 103,637,439,814.61
  5. Step 5: Solve for x
    x = 103,637,439,814.61/371,767.88
  6. Step 6: Final answer
    x = 278,769.21

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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.