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Finding the Fourth Proportional to 467,779.20, 701,841.60 and 187,497.60

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Solution

The fourth proportional to 467,779.20, 701,841.60 and 187,497.60 is: 281,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,779.20 : 701,841.60 = 187,497.60 : x
  2. Step 2: Convert to fraction form
    467,779.20/701,841.60 = 187,497.60/x
  3. Step 3: Cross multiply
    467,779.20x = 701,841.60 × 187,497.60
  4. Step 4: Simplify right side
    467,779.20x = 131,593,615,580.16
  5. Step 5: Solve for x
    x = 131,593,615,580.16/467,779.20
  6. Step 6: Final answer
    x = 281,315.66

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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.