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Finding the Fourth Proportional to 537,394.57, 805,009.89 and 248,799.43

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Solution

The fourth proportional to 537,394.57, 805,009.89 and 248,799.43 is: 372,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,394.57 : 805,009.89 = 248,799.43 : x
  2. Step 2: Convert to fraction form
    537,394.57/805,009.89 = 248,799.43/x
  3. Step 3: Cross multiply
    537,394.57x = 805,009.89 × 248,799.43
  4. Step 4: Simplify right side
    537,394.57x = 200,286,001,776.36
  5. Step 5: Solve for x
    x = 200,286,001,776.36/537,394.57
  6. Step 6: Final answer
    x = 372,698.22

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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.