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Finding the Fourth Proportional to 933,889.32, 1,288,694.34 and 525,969

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Solution

The fourth proportional to 933,889.32, 1,288,694.34 and 525,969 is: 725,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,889.32 : 1,288,694.34 = 525,969 : x
  2. Step 2: Convert to fraction form
    933,889.32/1,288,694.34 = 525,969/x
  3. Step 3: Cross multiply
    933,889.32x = 1,288,694.34 × 525,969
  4. Step 4: Simplify right side
    933,889.32x = 677,813,273,315.46
  5. Step 5: Solve for x
    x = 677,813,273,315.46/933,889.32
  6. Step 6: Final answer
    x = 725,796.15

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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.