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Finding the Fourth Proportional to 375,727.80, 563,591.70 and 329,071.80

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Solution

The fourth proportional to 375,727.80, 563,591.70 and 329,071.80 is: 493,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,727.80 : 563,591.70 = 329,071.80 : x
  2. Step 2: Convert to fraction form
    375,727.80/563,591.70 = 329,071.80/x
  3. Step 3: Cross multiply
    375,727.80x = 563,591.70 × 329,071.80
  4. Step 4: Simplify right side
    375,727.80x = 185,462,135,184.06
  5. Step 5: Solve for x
    x = 185,462,135,184.06/375,727.80
  6. Step 6: Final answer
    x = 493,607.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.