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Finding the Fourth Proportional to 235,508.69, 324,834.89 and 144,745.49

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Solution

The fourth proportional to 235,508.69, 324,834.89 and 144,745.49 is: 199,646.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,508.69 : 324,834.89 = 144,745.49 : x
  2. Step 2: Convert to fraction form
    235,508.69/324,834.89 = 144,745.49/x
  3. Step 3: Cross multiply
    235,508.69x = 324,834.89 × 144,745.49
  4. Step 4: Simplify right side
    235,508.69x = 47,018,384,598.42
  5. Step 5: Solve for x
    x = 47,018,384,598.42/235,508.69
  6. Step 6: Final answer
    x = 199,646.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.