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Finding the Fourth Proportional to 572,652.91, 790,270.54 and 314,553.72

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Solution

The fourth proportional to 572,652.91, 790,270.54 and 314,553.72 is: 434,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,652.91 : 790,270.54 = 314,553.72 : x
  2. Step 2: Convert to fraction form
    572,652.91/790,270.54 = 314,553.72/x
  3. Step 3: Cross multiply
    572,652.91x = 790,270.54 × 314,553.72
  4. Step 4: Simplify right side
    572,652.91x = 248,582,540,340.54
  5. Step 5: Solve for x
    x = 248,582,540,340.54/572,652.91
  6. Step 6: Final answer
    x = 434,089.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.