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Finding the Fourth Proportional to 303,587.98, 418,929.78 and 167,599.96

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Solution

The fourth proportional to 303,587.98, 418,929.78 and 167,599.96 is: 231,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,587.98 : 418,929.78 = 167,599.96 : x
  2. Step 2: Convert to fraction form
    303,587.98/418,929.78 = 167,599.96/x
  3. Step 3: Cross multiply
    303,587.98x = 418,929.78 × 167,599.96
  4. Step 4: Simplify right side
    303,587.98x = 70,212,614,370.81
  5. Step 5: Solve for x
    x = 70,212,614,370.81/303,587.98
  6. Step 6: Final answer
    x = 231,276.00

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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.