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Finding the Fourth Proportional to 376,348.12, 564,403.21 and 123,586.94

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Solution

The fourth proportional to 376,348.12, 564,403.21 and 123,586.94 is: 185,341.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,348.12 : 564,403.21 = 123,586.94 : x
  2. Step 2: Convert to fraction form
    376,348.12/564,403.21 = 123,586.94/x
  3. Step 3: Cross multiply
    376,348.12x = 564,403.21 × 123,586.94
  4. Step 4: Simplify right side
    376,348.12x = 69,752,865,650.08
  5. Step 5: Solve for x
    x = 69,752,865,650.08/376,348.12
  6. Step 6: Final answer
    x = 185,341.34

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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.