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Finding the Fourth Proportional to 325,590.43, 488,432.88 and 100,968.93

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Solution

The fourth proportional to 325,590.43, 488,432.88 and 100,968.93 is: 151,468.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,590.43 : 488,432.88 = 100,968.93 : x
  2. Step 2: Convert to fraction form
    325,590.43/488,432.88 = 100,968.93/x
  3. Step 3: Cross multiply
    325,590.43x = 488,432.88 × 100,968.93
  4. Step 4: Simplify right side
    325,590.43x = 49,316,542,323.41
  5. Step 5: Solve for x
    x = 49,316,542,323.41/325,590.43
  6. Step 6: Final answer
    x = 151,468.03

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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.