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Finding the Fourth Proportional to 395,867.70, 593,801.55 and 96,345.90

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Solution

The fourth proportional to 395,867.70, 593,801.55 and 96,345.90 is: 144,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,867.70 : 593,801.55 = 96,345.90 : x
  2. Step 2: Convert to fraction form
    395,867.70/593,801.55 = 96,345.90/x
  3. Step 3: Cross multiply
    395,867.70x = 593,801.55 × 96,345.90
  4. Step 4: Simplify right side
    395,867.70x = 57,210,344,756.15
  5. Step 5: Solve for x
    x = 57,210,344,756.15/395,867.70
  6. Step 6: Final answer
    x = 144,518.85

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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.