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Finding the Fourth Proportional to 441,915.20, 662,959.20 and 175,630.40

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Solution

The fourth proportional to 441,915.20, 662,959.20 and 175,630.40 is: 263,479.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,915.20 : 662,959.20 = 175,630.40 : x
  2. Step 2: Convert to fraction form
    441,915.20/662,959.20 = 175,630.40/x
  3. Step 3: Cross multiply
    441,915.20x = 662,959.20 × 175,630.40
  4. Step 4: Simplify right side
    441,915.20x = 116,435,789,479.68
  5. Step 5: Solve for x
    x = 116,435,789,479.68/441,915.20
  6. Step 6: Final answer
    x = 263,479.94

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1.5x scale

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.