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Finding the Fourth Proportional to 547,366.99, 755,351.29 and 302,347.35

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Solution

The fourth proportional to 547,366.99, 755,351.29 and 302,347.35 is: 417,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,366.99 : 755,351.29 = 302,347.35 : x
  2. Step 2: Convert to fraction form
    547,366.99/755,351.29 = 302,347.35/x
  3. Step 3: Cross multiply
    547,366.99x = 755,351.29 × 302,347.35
  4. Step 4: Simplify right side
    547,366.99x = 228,378,460,850.58
  5. Step 5: Solve for x
    x = 228,378,460,850.58/547,366.99
  6. Step 6: Final answer
    x = 417,230.97

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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.