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Finding the Fourth Proportional to 375,910.47, 563,890.34 and 109,648.69

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Solution

The fourth proportional to 375,910.47, 563,890.34 and 109,648.69 is: 164,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,910.47 : 563,890.34 = 109,648.69 : x
  2. Step 2: Convert to fraction form
    375,910.47/563,890.34 = 109,648.69/x
  3. Step 3: Cross multiply
    375,910.47x = 563,890.34 × 109,648.69
  4. Step 4: Simplify right side
    375,910.47x = 61,829,835,949.05
  5. Step 5: Solve for x
    x = 61,829,835,949.05/375,910.47
  6. Step 6: Final answer
    x = 164,480.22

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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.