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Finding the Fourth Proportional to 525,344.74, 787,504.53 and 269,177.33

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Solution

The fourth proportional to 525,344.74, 787,504.53 and 269,177.33 is: 403,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,344.74 : 787,504.53 = 269,177.33 : x
  2. Step 2: Convert to fraction form
    525,344.74/787,504.53 = 269,177.33/x
  3. Step 3: Cross multiply
    525,344.74x = 787,504.53 × 269,177.33
  4. Step 4: Simplify right side
    525,344.74x = 211,978,363,782.65
  5. Step 5: Solve for x
    x = 211,978,363,782.65/525,344.74
  6. Step 6: Final answer
    x = 403,503.35

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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.