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Finding the Fourth Proportional to 551,812.60, 827,995.92 and 252,266.50

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Solution

The fourth proportional to 551,812.60, 827,995.92 and 252,266.50 is: 378,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,812.60 : 827,995.92 = 252,266.50 : x
  2. Step 2: Convert to fraction form
    551,812.60/827,995.92 = 252,266.50/x
  3. Step 3: Cross multiply
    551,812.60x = 827,995.92 × 252,266.50
  4. Step 4: Simplify right side
    551,812.60x = 208,875,632,752.68
  5. Step 5: Solve for x
    x = 208,875,632,752.68/551,812.60
  6. Step 6: Final answer
    x = 378,526.39

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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.