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Finding the Fourth Proportional to 341,706.13, 512,600.24 and 142,161.55

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Solution

The fourth proportional to 341,706.13, 512,600.24 and 142,161.55 is: 213,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,706.13 : 512,600.24 = 142,161.55 : x
  2. Step 2: Convert to fraction form
    341,706.13/512,600.24 = 142,161.55/x
  3. Step 3: Cross multiply
    341,706.13x = 512,600.24 × 142,161.55
  4. Step 4: Simplify right side
    341,706.13x = 72,872,044,648.77
  5. Step 5: Solve for x
    x = 72,872,044,648.77/341,706.13
  6. Step 6: Final answer
    x = 213,259.40

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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.