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Finding the Fourth Proportional to 250,366.30, 375,039.15 and 155,304.70

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Solution

The fourth proportional to 250,366.30, 375,039.15 and 155,304.70 is: 232,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,366.30 : 375,039.15 = 155,304.70 : x
  2. Step 2: Convert to fraction form
    250,366.30/375,039.15 = 155,304.70/x
  3. Step 3: Cross multiply
    250,366.30x = 375,039.15 × 155,304.70
  4. Step 4: Simplify right side
    250,366.30x = 58,245,342,679.01
  5. Step 5: Solve for x
    x = 58,245,342,679.01/250,366.30
  6. Step 6: Final answer
    x = 232,640.51

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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.