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Finding the Fourth Proportional to 416,955.04, 575,400 and 225,968.42

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Solution

The fourth proportional to 416,955.04, 575,400 and 225,968.42 is: 311,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,955.04 : 575,400 = 225,968.42 : x
  2. Step 2: Convert to fraction form
    416,955.04/575,400 = 225,968.42/x
  3. Step 3: Cross multiply
    416,955.04x = 575,400 × 225,968.42
  4. Step 4: Simplify right side
    416,955.04x = 130,022,228,868
  5. Step 5: Solve for x
    x = 130,022,228,868/416,955.04
  6. Step 6: Final answer
    x = 311,837.53

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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.