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Finding the Fourth Proportional to 458,219.64, 632,292.30 and 254,263.80

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Solution

The fourth proportional to 458,219.64, 632,292.30 and 254,263.80 is: 350,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,219.64 : 632,292.30 = 254,263.80 : x
  2. Step 2: Convert to fraction form
    458,219.64/632,292.30 = 254,263.80/x
  3. Step 3: Cross multiply
    458,219.64x = 632,292.30 × 254,263.80
  4. Step 4: Simplify right side
    458,219.64x = 160,769,042,908.74
  5. Step 5: Solve for x
    x = 160,769,042,908.74/458,219.64
  6. Step 6: Final answer
    x = 350,855.85

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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.