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Finding the Fourth Proportional to 517,181.68, 775,773.47 and 162,223.21

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Solution

The fourth proportional to 517,181.68, 775,773.47 and 162,223.21 is: 243,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,181.68 : 775,773.47 = 162,223.21 : x
  2. Step 2: Convert to fraction form
    517,181.68/775,773.47 = 162,223.21/x
  3. Step 3: Cross multiply
    517,181.68x = 775,773.47 × 162,223.21
  4. Step 4: Simplify right side
    517,181.68x = 125,848,462,536.24
  5. Step 5: Solve for x
    x = 125,848,462,536.24/517,181.68
  6. Step 6: Final answer
    x = 243,335.11

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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.