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Finding the Fourth Proportional to 564,700.97, 779,255.50 and 329,026.45

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Solution

The fourth proportional to 564,700.97, 779,255.50 and 329,026.45 is: 454,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,700.97 : 779,255.50 = 329,026.45 : x
  2. Step 2: Convert to fraction form
    564,700.97/779,255.50 = 329,026.45/x
  3. Step 3: Cross multiply
    564,700.97x = 779,255.50 × 329,026.45
  4. Step 4: Simplify right side
    564,700.97x = 256,395,670,807.98
  5. Step 5: Solve for x
    x = 256,395,670,807.98/564,700.97
  6. Step 6: Final answer
    x = 454,037.95

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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.