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Finding the Fourth Proportional to 294,697.91, 406,732.25 and 173,869.13

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Solution

The fourth proportional to 294,697.91, 406,732.25 and 173,869.13 is: 239,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,697.91 : 406,732.25 = 173,869.13 : x
  2. Step 2: Convert to fraction form
    294,697.91/406,732.25 = 173,869.13/x
  3. Step 3: Cross multiply
    294,697.91x = 406,732.25 × 173,869.13
  4. Step 4: Simplify right side
    294,697.91x = 70,718,182,450.44
  5. Step 5: Solve for x
    x = 70,718,182,450.44/294,697.91
  6. Step 6: Final answer
    x = 239,968.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.