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Finding the Fourth Proportional to 291,035, 401,567.82 and 170,152.58

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Solution

The fourth proportional to 291,035, 401,567.82 and 170,152.58 is: 234,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,035 : 401,567.82 = 170,152.58 : x
  2. Step 2: Convert to fraction form
    291,035/401,567.82 = 170,152.58/x
  3. Step 3: Cross multiply
    291,035x = 401,567.82 × 170,152.58
  4. Step 4: Simplify right side
    291,035x = 68,327,800,617.98
  5. Step 5: Solve for x
    x = 68,327,800,617.98/291,035
  6. Step 6: Final answer
    x = 234,775.20

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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.