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Finding the Fourth Proportional to 293,976.72, 405,567 and 191,967.12

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Solution

The fourth proportional to 293,976.72, 405,567 and 191,967.12 is: 264,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,976.72 : 405,567 = 191,967.12 : x
  2. Step 2: Convert to fraction form
    293,976.72/405,567 = 191,967.12/x
  3. Step 3: Cross multiply
    293,976.72x = 405,567 × 191,967.12
  4. Step 4: Simplify right side
    293,976.72x = 77,855,528,957.04
  5. Step 5: Solve for x
    x = 77,855,528,957.04/293,976.72
  6. Step 6: Final answer
    x = 264,835.70

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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.