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Finding the Fourth Proportional to 416,866.04, 575,277.14 and 225,879.38

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Solution

The fourth proportional to 416,866.04, 575,277.14 and 225,879.38 is: 311,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,866.04 : 575,277.14 = 225,879.38 : x
  2. Step 2: Convert to fraction form
    416,866.04/575,277.14 = 225,879.38/x
  3. Step 3: Cross multiply
    416,866.04x = 575,277.14 × 225,879.38
  4. Step 4: Simplify right side
    416,866.04x = 129,943,241,399.69
  5. Step 5: Solve for x
    x = 129,943,241,399.69/416,866.04
  6. Step 6: Final answer
    x = 311,714.63

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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.