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Finding the Fourth Proportional to 362,424.95, 500,157.89 and 217,182.87

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Solution

The fourth proportional to 362,424.95, 500,157.89 and 217,182.87 is: 299,719.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,424.95 : 500,157.89 = 217,182.87 : x
  2. Step 2: Convert to fraction form
    362,424.95/500,157.89 = 217,182.87/x
  3. Step 3: Cross multiply
    362,424.95x = 500,157.89 × 217,182.87
  4. Step 4: Simplify right side
    362,424.95x = 108,625,724,917.43
  5. Step 5: Solve for x
    x = 108,625,724,917.43/362,424.95
  6. Step 6: Final answer
    x = 299,719.23

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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.