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Finding the Fourth Proportional to 375,807.39, 562,960 and 225,965.62

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Solution

The fourth proportional to 375,807.39, 562,960 and 225,965.62 is: 338,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,807.39 : 562,960 = 225,965.62 : x
  2. Step 2: Convert to fraction form
    375,807.39/562,960 = 225,965.62/x
  3. Step 3: Cross multiply
    375,807.39x = 562,960 × 225,965.62
  4. Step 4: Simplify right side
    375,807.39x = 127,209,605,435.20
  5. Step 5: Solve for x
    x = 127,209,605,435.20/375,807.39
  6. Step 6: Final answer
    x = 338,496.82

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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.