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Finding the Fourth Proportional to 372,908.63, 559,363.01 and 123,590.63

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Solution

The fourth proportional to 372,908.63, 559,363.01 and 123,590.63 is: 185,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,908.63 : 559,363.01 = 123,590.63 : x
  2. Step 2: Convert to fraction form
    372,908.63/559,363.01 = 123,590.63/x
  3. Step 3: Cross multiply
    372,908.63x = 559,363.01 × 123,590.63
  4. Step 4: Simplify right side
    372,908.63x = 69,132,023,389.83
  5. Step 5: Solve for x
    x = 69,132,023,389.83/372,908.63
  6. Step 6: Final answer
    x = 185,385.96

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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.