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Finding the Fourth Proportional to 576,987.70, 865,481.55 and 150,522.70

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Solution

The fourth proportional to 576,987.70, 865,481.55 and 150,522.70 is: 225,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,987.70 : 865,481.55 = 150,522.70 : x
  2. Step 2: Convert to fraction form
    576,987.70/865,481.55 = 150,522.70/x
  3. Step 3: Cross multiply
    576,987.70x = 865,481.55 × 150,522.70
  4. Step 4: Simplify right side
    576,987.70x = 130,274,619,706.19
  5. Step 5: Solve for x
    x = 130,274,619,706.19/576,987.70
  6. Step 6: Final answer
    x = 225,784.05

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Similar ratio
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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.