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Finding the Fourth Proportional to 500,839.87, 751,329.98 and 163,907.01

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Solution

The fourth proportional to 500,839.87, 751,329.98 and 163,907.01 is: 245,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,839.87 : 751,329.98 = 163,907.01 : x
  2. Step 2: Convert to fraction form
    500,839.87/751,329.98 = 163,907.01/x
  3. Step 3: Cross multiply
    500,839.87x = 751,329.98 × 163,907.01
  4. Step 4: Simplify right side
    500,839.87x = 123,148,250,545.16
  5. Step 5: Solve for x
    x = 123,148,250,545.16/500,839.87
  6. Step 6: Final answer
    x = 245,883.48

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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.