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Finding the Fourth Proportional to 303,295.76, 418,545.26 and 167,330.80

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Solution

The fourth proportional to 303,295.76, 418,545.26 and 167,330.80 is: 230,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,295.76 : 418,545.26 = 167,330.80 : x
  2. Step 2: Convert to fraction form
    303,295.76/418,545.26 = 167,330.80/x
  3. Step 3: Cross multiply
    303,295.76x = 418,545.26 × 167,330.80
  4. Step 4: Simplify right side
    303,295.76x = 70,035,513,192.01
  5. Step 5: Solve for x
    x = 70,035,513,192.01/303,295.76
  6. Step 6: Final answer
    x = 230,914.91

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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.