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Finding the Fourth Proportional to 416,773.76, 575,146.72 and 225,791.84

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Solution

The fourth proportional to 416,773.76, 575,146.72 and 225,791.84 is: 311,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,773.76 : 575,146.72 = 225,791.84 : x
  2. Step 2: Convert to fraction form
    416,773.76/575,146.72 = 225,791.84/x
  3. Step 3: Cross multiply
    416,773.76x = 575,146.72 × 225,791.84
  4. Step 4: Simplify right side
    416,773.76x = 129,863,436,178.77
  5. Step 5: Solve for x
    x = 129,863,436,178.77/416,773.76
  6. Step 6: Final answer
    x = 311,592.16

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1.5x scale

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.