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Finding the Fourth Proportional to 561,844.48, 842,791.32 and 162,525.61

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Solution

The fourth proportional to 561,844.48, 842,791.32 and 162,525.61 is: 243,795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,844.48 : 842,791.32 = 162,525.61 : x
  2. Step 2: Convert to fraction form
    561,844.48/842,791.32 = 162,525.61/x
  3. Step 3: Cross multiply
    561,844.48x = 842,791.32 × 162,525.61
  4. Step 4: Simplify right side
    561,844.48x = 136,975,173,385.71
  5. Step 5: Solve for x
    x = 136,975,173,385.71/561,844.48
  6. Step 6: Final answer
    x = 243,795.53

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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.