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Finding the Fourth Proportional to 341,698.88, 512,589.33 and 142,154.27

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Solution

The fourth proportional to 341,698.88, 512,589.33 and 142,154.27 is: 213,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,698.88 : 512,589.33 = 142,154.27 : x
  2. Step 2: Convert to fraction form
    341,698.88/512,589.33 = 142,154.27/x
  3. Step 3: Cross multiply
    341,698.88x = 512,589.33 × 142,154.27
  4. Step 4: Simplify right side
    341,698.88x = 72,866,762,015.94
  5. Step 5: Solve for x
    x = 72,866,762,015.94/341,698.88
  6. Step 6: Final answer
    x = 213,248.47

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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.