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Finding the Fourth Proportional to 926,652, 1,278,771.12 and 524,244

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Solution

The fourth proportional to 926,652, 1,278,771.12 and 524,244 is: 723,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,652 : 1,278,771.12 = 524,244 : x
  2. Step 2: Convert to fraction form
    926,652/1,278,771.12 = 524,244/x
  3. Step 3: Cross multiply
    926,652x = 1,278,771.12 × 524,244
  4. Step 4: Simplify right side
    926,652x = 670,388,087,033.28
  5. Step 5: Solve for x
    x = 670,388,087,033.28/926,652
  6. Step 6: Final answer
    x = 723,451.83

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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.