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Finding the Fourth Proportional to 375,929.88, 564,011.73 and 123,212.58

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Solution

The fourth proportional to 375,929.88, 564,011.73 and 123,212.58 is: 184,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,929.88 : 564,011.73 = 123,212.58 : x
  2. Step 2: Convert to fraction form
    375,929.88/564,011.73 = 123,212.58/x
  3. Step 3: Cross multiply
    375,929.88x = 564,011.73 × 123,212.58
  4. Step 4: Simplify right side
    375,929.88x = 69,493,340,403.56
  5. Step 5: Solve for x
    x = 69,493,340,403.56/375,929.88
  6. Step 6: Final answer
    x = 184,857.19

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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.