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Finding the Fourth Proportional to 375,846.50, 518,650.88 and 225,026.66

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Solution

The fourth proportional to 375,846.50, 518,650.88 and 225,026.66 is: 310,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,846.50 : 518,650.88 = 225,026.66 : x
  2. Step 2: Convert to fraction form
    375,846.50/518,650.88 = 225,026.66/x
  3. Step 3: Cross multiply
    375,846.50x = 518,650.88 × 225,026.66
  4. Step 4: Simplify right side
    375,846.50x = 116,710,275,232.46
  5. Step 5: Solve for x
    x = 116,710,275,232.46/375,846.50
  6. Step 6: Final answer
    x = 310,526.44

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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.