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Finding the Fourth Proportional to 293,613.74, 405,192.30 and 166,315.76

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Solution

The fourth proportional to 293,613.74, 405,192.30 and 166,315.76 is: 229,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,613.74 : 405,192.30 = 166,315.76 : x
  2. Step 2: Convert to fraction form
    293,613.74/405,192.30 = 166,315.76/x
  3. Step 3: Cross multiply
    293,613.74x = 405,192.30 × 166,315.76
  4. Step 4: Simplify right side
    293,613.74x = 67,389,865,320.65
  5. Step 5: Solve for x
    x = 67,389,865,320.65/293,613.74
  6. Step 6: Final answer
    x = 229,518.77

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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.