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Finding the Fourth Proportional to 552,400.92, 828,619.20 and 153,045.54

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Solution

The fourth proportional to 552,400.92, 828,619.20 and 153,045.54 is: 229,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,400.92 : 828,619.20 = 153,045.54 : x
  2. Step 2: Convert to fraction form
    552,400.92/828,619.20 = 153,045.54/x
  3. Step 3: Cross multiply
    552,400.92x = 828,619.20 × 153,045.54
  4. Step 4: Simplify right side
    552,400.92x = 126,816,472,918.37
  5. Step 5: Solve for x
    x = 126,816,472,918.37/552,400.92
  6. Step 6: Final answer
    x = 229,573.25

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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.