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Finding the Fourth Proportional to 525,366.04, 788,367.78 and 209,796.52

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Solution

The fourth proportional to 525,366.04, 788,367.78 and 209,796.52 is: 314,822.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,366.04 : 788,367.78 = 209,796.52 : x
  2. Step 2: Convert to fraction form
    525,366.04/788,367.78 = 209,796.52/x
  3. Step 3: Cross multiply
    525,366.04x = 788,367.78 × 209,796.52
  4. Step 4: Simplify right side
    525,366.04x = 165,396,816,724.13
  5. Step 5: Solve for x
    x = 165,396,816,724.13/525,366.04
  6. Step 6: Final answer
    x = 314,822.06

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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.