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Finding the Fourth Proportional to 369,649.25, 554,494.05 and 116,910.87

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Solution

The fourth proportional to 369,649.25, 554,494.05 and 116,910.87 is: 175,372.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,649.25 : 554,494.05 = 116,910.87 : x
  2. Step 2: Convert to fraction form
    369,649.25/554,494.05 = 116,910.87/x
  3. Step 3: Cross multiply
    369,649.25x = 554,494.05 × 116,910.87
  4. Step 4: Simplify right side
    369,649.25x = 64,826,381,795.32
  5. Step 5: Solve for x
    x = 64,826,381,795.32/369,649.25
  6. Step 6: Final answer
    x = 175,372.69

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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.