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Finding the Fourth Proportional to 458,063.30, 632,128.96 and 254,118.26

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Solution

The fourth proportional to 458,063.30, 632,128.96 and 254,118.26 is: 350,684.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,063.30 : 632,128.96 = 254,118.26 : x
  2. Step 2: Convert to fraction form
    458,063.30/632,128.96 = 254,118.26/x
  3. Step 3: Cross multiply
    458,063.30x = 632,128.96 × 254,118.26
  4. Step 4: Simplify right side
    458,063.30x = 160,635,513,308.78
  5. Step 5: Solve for x
    x = 160,635,513,308.78/458,063.30
  6. Step 6: Final answer
    x = 350,684.09

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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.