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Finding the Fourth Proportional to 416,796.81, 575,180.20 and 225,810.20

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Solution

The fourth proportional to 416,796.81, 575,180.20 and 225,810.20 is: 311,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,796.81 : 575,180.20 = 225,810.20 : x
  2. Step 2: Convert to fraction form
    416,796.81/575,180.20 = 225,810.20/x
  3. Step 3: Cross multiply
    416,796.81x = 575,180.20 × 225,810.20
  4. Step 4: Simplify right side
    416,796.81x = 129,881,555,998.04
  5. Step 5: Solve for x
    x = 129,881,555,998.04/416,796.81
  6. Step 6: Final answer
    x = 311,618.40

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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.