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Finding the Fourth Proportional to 416,973.22, 575,425.02 and 225,986.56

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Solution

The fourth proportional to 416,973.22, 575,425.02 and 225,986.56 is: 311,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,973.22 : 575,425.02 = 225,986.56 : x
  2. Step 2: Convert to fraction form
    416,973.22/575,425.02 = 225,986.56/x
  3. Step 3: Cross multiply
    416,973.22x = 575,425.02 × 225,986.56
  4. Step 4: Simplify right side
    416,973.22x = 130,038,320,807.73
  5. Step 5: Solve for x
    x = 130,038,320,807.73/416,973.22
  6. Step 6: Final answer
    x = 311,862.52

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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.