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Finding the Fourth Proportional to 295,127.68, 442,357.20 and 259,520.32

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Solution

The fourth proportional to 295,127.68, 442,357.20 and 259,520.32 is: 388,986.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,127.68 : 442,357.20 = 259,520.32 : x
  2. Step 2: Convert to fraction form
    295,127.68/442,357.20 = 259,520.32/x
  3. Step 3: Cross multiply
    295,127.68x = 442,357.20 × 259,520.32
  4. Step 4: Simplify right side
    295,127.68x = 114,800,682,098.30
  5. Step 5: Solve for x
    x = 114,800,682,098.30/295,127.68
  6. Step 6: Final answer
    x = 388,986.50

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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.