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Finding the Fourth Proportional to 300,976.72, 415,263.84 and 237,116.32

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Solution

The fourth proportional to 300,976.72, 415,263.84 and 237,116.32 is: 327,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,976.72 : 415,263.84 = 237,116.32 : x
  2. Step 2: Convert to fraction form
    300,976.72/415,263.84 = 237,116.32/x
  3. Step 3: Cross multiply
    300,976.72x = 415,263.84 × 237,116.32
  4. Step 4: Simplify right side
    300,976.72x = 98,465,833,569.87
  5. Step 5: Solve for x
    x = 98,465,833,569.87/300,976.72
  6. Step 6: Final answer
    x = 327,154.32

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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.