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Finding the Fourth Proportional to 262,672.83, 393,443.31 and 177,968.25

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Solution

The fourth proportional to 262,672.83, 393,443.31 and 177,968.25 is: 266,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,672.83 : 393,443.31 = 177,968.25 : x
  2. Step 2: Convert to fraction form
    262,672.83/393,443.31 = 177,968.25/x
  3. Step 3: Cross multiply
    262,672.83x = 393,443.31 × 177,968.25
  4. Step 4: Simplify right side
    262,672.83x = 70,020,417,354.91
  5. Step 5: Solve for x
    x = 70,020,417,354.91/262,672.83
  6. Step 6: Final answer
    x = 266,568.94

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1.5x scale

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.