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Finding the Fourth Proportional to 552,509.60, 828,682.38 and 153,108.73

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Solution

The fourth proportional to 552,509.60, 828,682.38 and 153,108.73 is: 229,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,509.60 : 828,682.38 = 153,108.73 : x
  2. Step 2: Convert to fraction form
    552,509.60/828,682.38 = 153,108.73/x
  3. Step 3: Cross multiply
    552,509.60x = 828,682.38 × 153,108.73
  4. Step 4: Simplify right side
    552,509.60x = 126,878,504,703.47
  5. Step 5: Solve for x
    x = 126,878,504,703.47/552,509.60
  6. Step 6: Final answer
    x = 229,640.36

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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.