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Finding the Fourth Proportional to 463,591.95, 695,278.81 and 126,552.48

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Solution

The fourth proportional to 463,591.95, 695,278.81 and 126,552.48 is: 189,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,591.95 : 695,278.81 = 126,552.48 : x
  2. Step 2: Convert to fraction form
    463,591.95/695,278.81 = 126,552.48/x
  3. Step 3: Cross multiply
    463,591.95x = 695,278.81 × 126,552.48
  4. Step 4: Simplify right side
    463,591.95x = 87,989,257,696.95
  5. Step 5: Solve for x
    x = 87,989,257,696.95/463,591.95
  6. Step 6: Final answer
    x = 189,798.93

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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.