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Finding the Fourth Proportional to 330,515.39, 456,114.87 and 179,612.39

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Solution

The fourth proportional to 330,515.39, 456,114.87 and 179,612.39 is: 247,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,515.39 : 456,114.87 = 179,612.39 : x
  2. Step 2: Convert to fraction form
    330,515.39/456,114.87 = 179,612.39/x
  3. Step 3: Cross multiply
    330,515.39x = 456,114.87 × 179,612.39
  4. Step 4: Simplify right side
    330,515.39x = 81,923,881,915.24
  5. Step 5: Solve for x
    x = 81,923,881,915.24/330,515.39
  6. Step 6: Final answer
    x = 247,867.07

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1.5x scale

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.