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Finding the Fourth Proportional to 450,935.55, 622,289.70 and 254,680.53

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Solution

The fourth proportional to 450,935.55, 622,289.70 and 254,680.53 is: 351,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,935.55 : 622,289.70 = 254,680.53 : x
  2. Step 2: Convert to fraction form
    450,935.55/622,289.70 = 254,680.53/x
  3. Step 3: Cross multiply
    450,935.55x = 622,289.70 × 254,680.53
  4. Step 4: Simplify right side
    450,935.55x = 158,485,070,609.54
  5. Step 5: Solve for x
    x = 158,485,070,609.54/450,935.55
  6. Step 6: Final answer
    x = 351,458.36

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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.