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Finding the Fourth Proportional to 467,269.20, 700,903.80 and 186,987.60

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Solution

The fourth proportional to 467,269.20, 700,903.80 and 186,987.60 is: 280,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,269.20 : 700,903.80 = 186,987.60 : x
  2. Step 2: Convert to fraction form
    467,269.20/700,903.80 = 186,987.60/x
  3. Step 3: Cross multiply
    467,269.20x = 700,903.80 × 186,987.60
  4. Step 4: Simplify right side
    467,269.20x = 131,060,319,392.88
  5. Step 5: Solve for x
    x = 131,060,319,392.88/467,269.20
  6. Step 6: Final answer
    x = 280,481.40

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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.