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Finding the Fourth Proportional to 295,201.77, 407,366.70 and 174,381.87

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Solution

The fourth proportional to 295,201.77, 407,366.70 and 174,381.87 is: 240,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,201.77 : 407,366.70 = 174,381.87 : x
  2. Step 2: Convert to fraction form
    295,201.77/407,366.70 = 174,381.87/x
  3. Step 3: Cross multiply
    295,201.77x = 407,366.70 × 174,381.87
  4. Step 4: Simplify right side
    295,201.77x = 71,037,366,921.73
  5. Step 5: Solve for x
    x = 71,037,366,921.73/295,201.77
  6. Step 6: Final answer
    x = 240,640.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.