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Finding the Fourth Proportional to 462,632.11, 693,855.21 and 163,124.89

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Solution

The fourth proportional to 462,632.11, 693,855.21 and 163,124.89 is: 244,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,632.11 : 693,855.21 = 163,124.89 : x
  2. Step 2: Convert to fraction form
    462,632.11/693,855.21 = 163,124.89/x
  3. Step 3: Cross multiply
    462,632.11x = 693,855.21 × 163,124.89
  4. Step 4: Simplify right side
    462,632.11x = 113,185,054,807.18
  5. Step 5: Solve for x
    x = 113,185,054,807.18/462,632.11
  6. Step 6: Final answer
    x = 244,654.56

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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.