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Finding the Fourth Proportional to 269,064.74, 371,235.47 and 187,301.39

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Solution

The fourth proportional to 269,064.74, 371,235.47 and 187,301.39 is: 258,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,064.74 : 371,235.47 = 187,301.39 : x
  2. Step 2: Convert to fraction form
    269,064.74/371,235.47 = 187,301.39/x
  3. Step 3: Cross multiply
    269,064.74x = 371,235.47 × 187,301.39
  4. Step 4: Simplify right side
    269,064.74x = 69,532,916,755.62
  5. Step 5: Solve for x
    x = 69,532,916,755.62/269,064.74
  6. Step 6: Final answer
    x = 258,424.49

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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.