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Finding the Fourth Proportional to 303,328.66, 418,595.80 and 167,367.66

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Solution

The fourth proportional to 303,328.66, 418,595.80 and 167,367.66 is: 230,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,328.66 : 418,595.80 = 167,367.66 : x
  2. Step 2: Convert to fraction form
    303,328.66/418,595.80 = 167,367.66/x
  3. Step 3: Cross multiply
    303,328.66x = 418,595.80 × 167,367.66
  4. Step 4: Simplify right side
    303,328.66x = 70,059,396,602.01
  5. Step 5: Solve for x
    x = 70,059,396,602.01/303,328.66
  6. Step 6: Final answer
    x = 230,968.60

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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.