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Finding the Fourth Proportional to 383,957.40, 576,195.30 and 250,512.60

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Solution

The fourth proportional to 383,957.40, 576,195.30 and 250,512.60 is: 375,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,957.40 : 576,195.30 = 250,512.60 : x
  2. Step 2: Convert to fraction form
    383,957.40/576,195.30 = 250,512.60/x
  3. Step 3: Cross multiply
    383,957.40x = 576,195.30 × 250,512.60
  4. Step 4: Simplify right side
    383,957.40x = 144,344,182,710.78
  5. Step 5: Solve for x
    x = 144,344,182,710.78/383,957.40
  6. Step 6: Final answer
    x = 375,938.01

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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.