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Finding the Fourth Proportional to 843,173, 1,163,958.18 and 537,658.92

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Solution

The fourth proportional to 843,173, 1,163,958.18 and 537,658.92 is: 742,211.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,173 : 1,163,958.18 = 537,658.92 : x
  2. Step 2: Convert to fraction form
    843,173/1,163,958.18 = 537,658.92/x
  3. Step 3: Cross multiply
    843,173x = 1,163,958.18 × 537,658.92
  4. Step 4: Simplify right side
    843,173x = 625,812,497,983.97
  5. Step 5: Solve for x
    x = 625,812,497,983.97/843,173
  6. Step 6: Final answer
    x = 742,211.26

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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.