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Finding the Fourth Proportional to 550,686.24, 826,038.48 and 151,324.56

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Solution

The fourth proportional to 550,686.24, 826,038.48 and 151,324.56 is: 226,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,686.24 : 826,038.48 = 151,324.56 : x
  2. Step 2: Convert to fraction form
    550,686.24/826,038.48 = 151,324.56/x
  3. Step 3: Cross multiply
    550,686.24x = 826,038.48 × 151,324.56
  4. Step 4: Simplify right side
    550,686.24x = 124,999,909,529.07
  5. Step 5: Solve for x
    x = 124,999,909,529.07/550,686.24
  6. Step 6: Final answer
    x = 226,989.35

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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.