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Finding the Fourth Proportional to 264,367.87, 364,834.26 and 143,509.12

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Solution

The fourth proportional to 264,367.87, 364,834.26 and 143,509.12 is: 198,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,367.87 : 364,834.26 = 143,509.12 : x
  2. Step 2: Convert to fraction form
    264,367.87/364,834.26 = 143,509.12/x
  3. Step 3: Cross multiply
    264,367.87x = 364,834.26 × 143,509.12
  4. Step 4: Simplify right side
    264,367.87x = 52,357,042,686.37
  5. Step 5: Solve for x
    x = 52,357,042,686.37/264,367.87
  6. Step 6: Final answer
    x = 198,046.17

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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.