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Finding the Fourth Proportional to 547,937.40, 822,035.70 and 173,960.40

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Solution

The fourth proportional to 547,937.40, 822,035.70 and 173,960.40 is: 260,981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,937.40 : 822,035.70 = 173,960.40 : x
  2. Step 2: Convert to fraction form
    547,937.40/822,035.70 = 173,960.40/x
  3. Step 3: Cross multiply
    547,937.40x = 822,035.70 × 173,960.40
  4. Step 4: Simplify right side
    547,937.40x = 143,001,659,186.28
  5. Step 5: Solve for x
    x = 143,001,659,186.28/547,937.40
  6. Step 6: Final answer
    x = 260,981.75

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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.