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Finding the Fourth Proportional to 362,772.92, 500,767.44 and 272,389.88

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Solution

The fourth proportional to 362,772.92, 500,767.44 and 272,389.88 is: 376,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,772.92 : 500,767.44 = 272,389.88 : x
  2. Step 2: Convert to fraction form
    362,772.92/500,767.44 = 272,389.88/x
  3. Step 3: Cross multiply
    362,772.92x = 500,767.44 × 272,389.88
  4. Step 4: Simplify right side
    362,772.92x = 136,403,982,889.51
  5. Step 5: Solve for x
    x = 136,403,982,889.51/362,772.92
  6. Step 6: Final answer
    x = 376,003.76

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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.