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Finding the Fourth Proportional to 458,019.43, 632,070.60 and 254,083.75

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Solution

The fourth proportional to 458,019.43, 632,070.60 and 254,083.75 is: 350,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,019.43 : 632,070.60 = 254,083.75 : x
  2. Step 2: Convert to fraction form
    458,019.43/632,070.60 = 254,083.75/x
  3. Step 3: Cross multiply
    458,019.43x = 632,070.60 × 254,083.75
  4. Step 4: Simplify right side
    458,019.43x = 160,598,868,312.75
  5. Step 5: Solve for x
    x = 160,598,868,312.75/458,019.43
  6. Step 6: Final answer
    x = 350,637.68

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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.