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Finding the Fourth Proportional to 547,953.30, 756,169.65 and 302,937.01

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Solution

The fourth proportional to 547,953.30, 756,169.65 and 302,937.01 is: 418,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,953.30 : 756,169.65 = 302,937.01 : x
  2. Step 2: Convert to fraction form
    547,953.30/756,169.65 = 302,937.01/x
  3. Step 3: Cross multiply
    547,953.30x = 756,169.65 × 302,937.01
  4. Step 4: Simplify right side
    547,953.30x = 229,071,770,933.32
  5. Step 5: Solve for x
    x = 229,071,770,933.32/547,953.30
  6. Step 6: Final answer
    x = 418,049.81

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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.