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Finding the Fourth Proportional to 458,357.39, 632,523.66 and 254,396.34

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Solution

The fourth proportional to 458,357.39, 632,523.66 and 254,396.34 is: 351,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,357.39 : 632,523.66 = 254,396.34 : x
  2. Step 2: Convert to fraction form
    458,357.39/632,523.66 = 254,396.34/x
  3. Step 3: Cross multiply
    458,357.39x = 632,523.66 × 254,396.34
  4. Step 4: Simplify right side
    458,357.39x = 160,911,704,067.40
  5. Step 5: Solve for x
    x = 160,911,704,067.40/458,357.39
  6. Step 6: Final answer
    x = 351,061.66

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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.