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Finding the Fourth Proportional to 395,509.89, 593,258.57 and 95,992.95

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Solution

The fourth proportional to 395,509.89, 593,258.57 and 95,992.95 is: 143,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,509.89 : 593,258.57 = 95,992.95 : x
  2. Step 2: Convert to fraction form
    395,509.89/593,258.57 = 95,992.95/x
  3. Step 3: Cross multiply
    395,509.89x = 593,258.57 × 95,992.95
  4. Step 4: Simplify right side
    395,509.89x = 56,948,639,767.12
  5. Step 5: Solve for x
    x = 56,948,639,767.12/395,509.89
  6. Step 6: Final answer
    x = 143,987.90

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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.