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Finding the Fourth Proportional to 416,940.80, 575,378.80 and 225,954.19

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Solution

The fourth proportional to 416,940.80, 575,378.80 and 225,954.19 is: 311,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,940.80 : 575,378.80 = 225,954.19 : x
  2. Step 2: Convert to fraction form
    416,940.80/575,378.80 = 225,954.19/x
  3. Step 3: Cross multiply
    416,940.80x = 575,378.80 × 225,954.19
  4. Step 4: Simplify right side
    416,940.80x = 130,009,250,697.17
  5. Step 5: Solve for x
    x = 130,009,250,697.17/416,940.80
  6. Step 6: Final answer
    x = 311,817.05

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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.