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Finding the Fourth Proportional to 552,437.42, 827,212.21 and 518,765.15

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Solution

The fourth proportional to 552,437.42, 827,212.21 and 518,765.15 is: 776,791.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,437.42 : 827,212.21 = 518,765.15 : x
  2. Step 2: Convert to fraction form
    552,437.42/827,212.21 = 518,765.15/x
  3. Step 3: Cross multiply
    552,437.42x = 827,212.21 × 518,765.15
  4. Step 4: Simplify right side
    552,437.42x = 429,128,866,973.60
  5. Step 5: Solve for x
    x = 429,128,866,973.60/552,437.42
  6. Step 6: Final answer
    x = 776,791.82

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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.