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Finding the Fourth Proportional to 458,321.09, 632,473.59 and 254,360.17

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Solution

The fourth proportional to 458,321.09, 632,473.59 and 254,360.17 is: 351,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,321.09 : 632,473.59 = 254,360.17 : x
  2. Step 2: Convert to fraction form
    458,321.09/632,473.59 = 254,360.17/x
  3. Step 3: Cross multiply
    458,321.09x = 632,473.59 × 254,360.17
  4. Step 4: Simplify right side
    458,321.09x = 160,876,089,872.91
  5. Step 5: Solve for x
    x = 160,876,089,872.91/458,321.09
  6. Step 6: Final answer
    x = 351,011.75

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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.