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Finding the Fourth Proportional to 262,795.79, 393,695.24 and 155,953.96

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Solution

The fourth proportional to 262,795.79, 393,695.24 and 155,953.96 is: 233,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,795.79 : 393,695.24 = 155,953.96 : x
  2. Step 2: Convert to fraction form
    262,795.79/393,695.24 = 155,953.96/x
  3. Step 3: Cross multiply
    262,795.79x = 393,695.24 × 155,953.96
  4. Step 4: Simplify right side
    262,795.79x = 61,398,329,947.14
  5. Step 5: Solve for x
    x = 61,398,329,947.14/262,795.79
  6. Step 6: Final answer
    x = 233,635.13

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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.