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Finding the Fourth Proportional to 552,403.92, 828,623.70 and 153,048.54

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Solution

The fourth proportional to 552,403.92, 828,623.70 and 153,048.54 is: 229,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,403.92 : 828,623.70 = 153,048.54 : x
  2. Step 2: Convert to fraction form
    552,403.92/828,623.70 = 153,048.54/x
  3. Step 3: Cross multiply
    552,403.92x = 828,623.70 × 153,048.54
  4. Step 4: Simplify right side
    552,403.92x = 126,819,647,494.40
  5. Step 5: Solve for x
    x = 126,819,647,494.40/552,403.92
  6. Step 6: Final answer
    x = 229,577.75

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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.