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Finding the Fourth Proportional to 564,701.97, 779,256.88 and 329,027.45

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Solution

The fourth proportional to 564,701.97, 779,256.88 and 329,027.45 is: 454,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,701.97 : 779,256.88 = 329,027.45 : x
  2. Step 2: Convert to fraction form
    564,701.97/779,256.88 = 329,027.45/x
  3. Step 3: Cross multiply
    564,701.97x = 779,256.88 × 329,027.45
  4. Step 4: Simplify right side
    564,701.97x = 256,396,904,121.36
  5. Step 5: Solve for x
    x = 256,396,904,121.36/564,701.97
  6. Step 6: Final answer
    x = 454,039.33

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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.