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Finding the Fourth Proportional to 458,376.45, 632,549.70 and 254,415.48

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Solution

The fourth proportional to 458,376.45, 632,549.70 and 254,415.48 is: 351,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,376.45 : 632,549.70 = 254,415.48 : x
  2. Step 2: Convert to fraction form
    458,376.45/632,549.70 = 254,415.48/x
  3. Step 3: Cross multiply
    458,376.45x = 632,549.70 × 254,415.48
  4. Step 4: Simplify right side
    458,376.45x = 160,930,435,549.36
  5. Step 5: Solve for x
    x = 160,930,435,549.36/458,376.45
  6. Step 6: Final answer
    x = 351,087.92

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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.