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Finding the Fourth Proportional to 376,910.48, 565,434.98 and 124,205.87

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Solution

The fourth proportional to 376,910.48, 565,434.98 and 124,205.87 is: 186,331.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,910.48 : 565,434.98 = 124,205.87 : x
  2. Step 2: Convert to fraction form
    376,910.48/565,434.98 = 124,205.87/x
  3. Step 3: Cross multiply
    376,910.48x = 565,434.98 × 124,205.87
  4. Step 4: Simplify right side
    376,910.48x = 70,230,344,877.66
  5. Step 5: Solve for x
    x = 70,230,344,877.66/376,910.48
  6. Step 6: Final answer
    x = 186,331.63

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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.