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Finding the Fourth Proportional to 362,383.74, 500,560.16 and 275,816.81

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Solution

The fourth proportional to 362,383.74, 500,560.16 and 275,816.81 is: 380,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,383.74 : 500,560.16 = 275,816.81 : x
  2. Step 2: Convert to fraction form
    362,383.74/500,560.16 = 275,816.81/x
  3. Step 3: Cross multiply
    362,383.74x = 500,560.16 × 275,816.81
  4. Step 4: Simplify right side
    362,383.74x = 138,062,906,416.61
  5. Step 5: Solve for x
    x = 138,062,906,416.61/362,383.74
  6. Step 6: Final answer
    x = 380,985.38

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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.