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Finding the Fourth Proportional to 270,545.39, 405,131.57 and 162,407.46

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Solution

The fourth proportional to 270,545.39, 405,131.57 and 162,407.46 is: 243,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,545.39 : 405,131.57 = 162,407.46 : x
  2. Step 2: Convert to fraction form
    270,545.39/405,131.57 = 162,407.46/x
  3. Step 3: Cross multiply
    270,545.39x = 405,131.57 × 162,407.46
  4. Step 4: Simplify right side
    270,545.39x = 65,796,388,437.47
  5. Step 5: Solve for x
    x = 65,796,388,437.47/270,545.39
  6. Step 6: Final answer
    x = 243,199.08

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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.