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Finding the Fourth Proportional to 338,545.15, 507,825.01 and 161,070.10

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Solution

The fourth proportional to 338,545.15, 507,825.01 and 161,070.10 is: 241,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,545.15 : 507,825.01 = 161,070.10 : x
  2. Step 2: Convert to fraction form
    338,545.15/507,825.01 = 161,070.10/x
  3. Step 3: Cross multiply
    338,545.15x = 507,825.01 × 161,070.10
  4. Step 4: Simplify right side
    338,545.15x = 81,795,425,143.20
  5. Step 5: Solve for x
    x = 81,795,425,143.20/338,545.15
  6. Step 6: Final answer
    x = 241,608.62

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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.