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Finding the Fourth Proportional to 458,239.64, 632,369.34 and 254,321.28

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Solution

The fourth proportional to 458,239.64, 632,369.34 and 254,321.28 is: 350,962.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,239.64 : 632,369.34 = 254,321.28 : x
  2. Step 2: Convert to fraction form
    458,239.64/632,369.34 = 254,321.28/x
  3. Step 3: Cross multiply
    458,239.64x = 632,369.34 × 254,321.28
  4. Step 4: Simplify right side
    458,239.64x = 160,824,979,981.56
  5. Step 5: Solve for x
    x = 160,824,979,981.56/458,239.64
  6. Step 6: Final answer
    x = 350,962.61

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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.