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Finding the Fourth Proportional to 458,399.15, 632,559.15 and 254,434.04

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Solution

The fourth proportional to 458,399.15, 632,559.15 and 254,434.04 is: 351,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,399.15 : 632,559.15 = 254,434.04 : x
  2. Step 2: Convert to fraction form
    458,399.15/632,559.15 = 254,434.04/x
  3. Step 3: Cross multiply
    458,399.15x = 632,559.15 × 254,434.04
  4. Step 4: Simplify right side
    458,399.15x = 160,944,580,073.47
  5. Step 5: Solve for x
    x = 160,944,580,073.47/458,399.15
  6. Step 6: Final answer
    x = 351,101.39

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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.