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Finding the Fourth Proportional to 416,737.31, 575,100.18 and 225,750.56

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Solution

The fourth proportional to 416,737.31, 575,100.18 and 225,750.56 is: 311,537.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,737.31 : 575,100.18 = 225,750.56 : x
  2. Step 2: Convert to fraction form
    416,737.31/575,100.18 = 225,750.56/x
  3. Step 3: Cross multiply
    416,737.31x = 575,100.18 × 225,750.56
  4. Step 4: Simplify right side
    416,737.31x = 129,829,184,815.60
  5. Step 5: Solve for x
    x = 129,829,184,815.60/416,737.31
  6. Step 6: Final answer
    x = 311,537.23

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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.