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Finding the Fourth Proportional to 517,588.44, 776,374.92 and 162,623.76

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Solution

The fourth proportional to 517,588.44, 776,374.92 and 162,623.76 is: 243,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,588.44 : 776,374.92 = 162,623.76 : x
  2. Step 2: Convert to fraction form
    517,588.44/776,374.92 = 162,623.76/x
  3. Step 3: Cross multiply
    517,588.44x = 776,374.92 × 162,623.76
  4. Step 4: Simplify right side
    517,588.44x = 126,257,008,660.10
  5. Step 5: Solve for x
    x = 126,257,008,660.10/517,588.44
  6. Step 6: Final answer
    x = 243,933.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.