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Finding the Fourth Proportional to 462,632.16, 693,475.56 and 262,530

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Solution

The fourth proportional to 462,632.16, 693,475.56 and 262,530 is: 393,526.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,632.16 : 693,475.56 = 262,530 : x
  2. Step 2: Convert to fraction form
    462,632.16/693,475.56 = 262,530/x
  3. Step 3: Cross multiply
    462,632.16x = 693,475.56 × 262,530
  4. Step 4: Simplify right side
    462,632.16x = 182,058,138,766.80
  5. Step 5: Solve for x
    x = 182,058,138,766.80/462,632.16
  6. Step 6: Final answer
    x = 393,526.77

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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.