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Finding the Fourth Proportional to 473,490.97, 653,360.78 and 269,542.28

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Solution

The fourth proportional to 473,490.97, 653,360.78 and 269,542.28 is: 371,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,490.97 : 653,360.78 = 269,542.28 : x
  2. Step 2: Convert to fraction form
    473,490.97/653,360.78 = 269,542.28/x
  3. Step 3: Cross multiply
    473,490.97x = 653,360.78 × 269,542.28
  4. Step 4: Simplify right side
    473,490.97x = 176,108,356,611.04
  5. Step 5: Solve for x
    x = 176,108,356,611.04/473,490.97
  6. Step 6: Final answer
    x = 371,936.04

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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.