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Finding the Fourth Proportional to 259,300.25, 388,950.38 and 62,308.25

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Solution

The fourth proportional to 259,300.25, 388,950.38 and 62,308.25 is: 93,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,300.25 : 388,950.38 = 62,308.25 : x
  2. Step 2: Convert to fraction form
    259,300.25/388,950.38 = 62,308.25/x
  3. Step 3: Cross multiply
    259,300.25x = 388,950.38 × 62,308.25
  4. Step 4: Simplify right side
    259,300.25x = 24,234,817,514.64
  5. Step 5: Solve for x
    x = 24,234,817,514.64/259,300.25
  6. Step 6: Final answer
    x = 93,462.38

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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.