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Finding the Fourth Proportional to 552,450.38, 828,673.20 and 153,090

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Solution

The fourth proportional to 552,450.38, 828,673.20 and 153,090 is: 229,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,450.38 : 828,673.20 = 153,090 : x
  2. Step 2: Convert to fraction form
    552,450.38/828,673.20 = 153,090/x
  3. Step 3: Cross multiply
    552,450.38x = 828,673.20 × 153,090
  4. Step 4: Simplify right side
    552,450.38x = 126,861,580,188
  5. Step 5: Solve for x
    x = 126,861,580,188/552,450.38
  6. Step 6: Final answer
    x = 229,634.35

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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.