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Finding the Fourth Proportional to 552,859.76, 829,223.84 and 325,291.48

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Solution

The fourth proportional to 552,859.76, 829,223.84 and 325,291.48 is: 487,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,859.76 : 829,223.84 = 325,291.48 : x
  2. Step 2: Convert to fraction form
    552,859.76/829,223.84 = 325,291.48/x
  3. Step 3: Cross multiply
    552,859.76x = 829,223.84 × 325,291.48
  4. Step 4: Simplify right side
    552,859.76x = 269,739,450,164.88
  5. Step 5: Solve for x
    x = 269,739,450,164.88/552,859.76
  6. Step 6: Final answer
    x = 487,898.50

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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.