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Finding the Fourth Proportional to 926,866.64, 1,279,102.92 and 524,450

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Solution

The fourth proportional to 926,866.64, 1,279,102.92 and 524,450 is: 723,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,866.64 : 1,279,102.92 = 524,450 : x
  2. Step 2: Convert to fraction form
    926,866.64/1,279,102.92 = 524,450/x
  3. Step 3: Cross multiply
    926,866.64x = 1,279,102.92 × 524,450
  4. Step 4: Simplify right side
    926,866.64x = 670,825,526,394
  5. Step 5: Solve for x
    x = 670,825,526,394/926,866.64
  6. Step 6: Final answer
    x = 723,756.25

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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.