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Finding the Fourth Proportional to 270,565.75, 373,379.52 and 155,802.52

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Solution

The fourth proportional to 270,565.75, 373,379.52 and 155,802.52 is: 215,006.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,565.75 : 373,379.52 = 155,802.52 : x
  2. Step 2: Convert to fraction form
    270,565.75/373,379.52 = 155,802.52/x
  3. Step 3: Cross multiply
    270,565.75x = 373,379.52 × 155,802.52
  4. Step 4: Simplify right side
    270,565.75x = 58,173,470,132.39
  5. Step 5: Solve for x
    x = 58,173,470,132.39/270,565.75
  6. Step 6: Final answer
    x = 215,006.78

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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.