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Finding the Fourth Proportional to 375,262.72, 563,038.36 and 225,606.31

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Solution

The fourth proportional to 375,262.72, 563,038.36 and 225,606.31 is: 338,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,262.72 : 563,038.36 = 225,606.31 : x
  2. Step 2: Convert to fraction form
    375,262.72/563,038.36 = 225,606.31/x
  3. Step 3: Cross multiply
    375,262.72x = 563,038.36 × 225,606.31
  4. Step 4: Simplify right side
    375,262.72x = 127,025,004,816.44
  5. Step 5: Solve for x
    x = 127,025,004,816.44/375,262.72
  6. Step 6: Final answer
    x = 338,496.20

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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.