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Finding the Fourth Proportional to 548,161.53, 821,868.11 and 292,032.39

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Solution

The fourth proportional to 548,161.53, 821,868.11 and 292,032.39 is: 437,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,161.53 : 821,868.11 = 292,032.39 : x
  2. Step 2: Convert to fraction form
    548,161.53/821,868.11 = 292,032.39/x
  3. Step 3: Cross multiply
    548,161.53x = 821,868.11 × 292,032.39
  4. Step 4: Simplify right side
    548,161.53x = 240,012,106,111.37
  5. Step 5: Solve for x
    x = 240,012,106,111.37/548,161.53
  6. Step 6: Final answer
    x = 437,849.24

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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.