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Finding the Fourth Proportional to 457,998.76, 632,040.30 and 254,035.48

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Solution

The fourth proportional to 457,998.76, 632,040.30 and 254,035.48 is: 350,570.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,998.76 : 632,040.30 = 254,035.48 : x
  2. Step 2: Convert to fraction form
    457,998.76/632,040.30 = 254,035.48/x
  3. Step 3: Cross multiply
    457,998.76x = 632,040.30 × 254,035.48
  4. Step 4: Simplify right side
    457,998.76x = 160,560,660,989.84
  5. Step 5: Solve for x
    x = 160,560,660,989.84/457,998.76
  6. Step 6: Final answer
    x = 350,570.08

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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.