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Finding the Fourth Proportional to 416,791.44, 575,174.95 and 225,804.83

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Solution

The fourth proportional to 416,791.44, 575,174.95 and 225,804.83 is: 311,612.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,791.44 : 575,174.95 = 225,804.83 : x
  2. Step 2: Convert to fraction form
    416,791.44/575,174.95 = 225,804.83/x
  3. Step 3: Cross multiply
    416,791.44x = 575,174.95 × 225,804.83
  4. Step 4: Simplify right side
    416,791.44x = 129,877,281,805.01
  5. Step 5: Solve for x
    x = 129,877,281,805.01/416,791.44
  6. Step 6: Final answer
    x = 311,612.16

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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.