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Finding the Fourth Proportional to 349,378.60, 524,067.90 and 96,658.60

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Solution

The fourth proportional to 349,378.60, 524,067.90 and 96,658.60 is: 144,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,378.60 : 524,067.90 = 96,658.60 : x
  2. Step 2: Convert to fraction form
    349,378.60/524,067.90 = 96,658.60/x
  3. Step 3: Cross multiply
    349,378.60x = 524,067.90 × 96,658.60
  4. Step 4: Simplify right side
    349,378.60x = 50,655,669,518.94
  5. Step 5: Solve for x
    x = 50,655,669,518.94/349,378.60
  6. Step 6: Final answer
    x = 144,987.90

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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.