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Finding the Fourth Proportional to 369,372.10, 554,058.15 and 367,039.30

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Solution

The fourth proportional to 369,372.10, 554,058.15 and 367,039.30 is: 550,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,372.10 : 554,058.15 = 367,039.30 : x
  2. Step 2: Convert to fraction form
    369,372.10/554,058.15 = 367,039.30/x
  3. Step 3: Cross multiply
    369,372.10x = 554,058.15 × 367,039.30
  4. Step 4: Simplify right side
    369,372.10x = 203,361,115,535.30
  5. Step 5: Solve for x
    x = 203,361,115,535.30/369,372.10
  6. Step 6: Final answer
    x = 550,558.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.