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Finding the Fourth Proportional to 262,282.68, 393,333.30 and 162,289.80

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Solution

The fourth proportional to 262,282.68, 393,333.30 and 162,289.80 is: 243,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,282.68 : 393,333.30 = 162,289.80 : x
  2. Step 2: Convert to fraction form
    262,282.68/393,333.30 = 162,289.80/x
  3. Step 3: Cross multiply
    262,282.68x = 393,333.30 × 162,289.80
  4. Step 4: Simplify right side
    262,282.68x = 63,833,982,590.34
  5. Step 5: Solve for x
    x = 63,833,982,590.34/262,282.68
  6. Step 6: Final answer
    x = 243,378.57

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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.