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Finding the Fourth Proportional to 581,355.94, 802,229.52 and 319,729.66

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Solution

The fourth proportional to 581,355.94, 802,229.52 and 319,729.66 is: 441,204.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,355.94 : 802,229.52 = 319,729.66 : x
  2. Step 2: Convert to fraction form
    581,355.94/802,229.52 = 319,729.66/x
  3. Step 3: Cross multiply
    581,355.94x = 802,229.52 × 319,729.66
  4. Step 4: Simplify right side
    581,355.94x = 256,496,571,671.56
  5. Step 5: Solve for x
    x = 256,496,571,671.56/581,355.94
  6. Step 6: Final answer
    x = 441,204.01

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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.