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Finding the Fourth Proportional to 632,558, 948,608.55 and 253,565.48

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Solution

The fourth proportional to 632,558, 948,608.55 and 253,565.48 is: 380,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,558 : 948,608.55 = 253,565.48 : x
  2. Step 2: Convert to fraction form
    632,558/948,608.55 = 253,565.48/x
  3. Step 3: Cross multiply
    632,558x = 948,608.55 × 253,565.48
  4. Step 4: Simplify right side
    632,558x = 240,534,382,312.85
  5. Step 5: Solve for x
    x = 240,534,382,312.85/632,558
  6. Step 6: Final answer
    x = 380,256.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.