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Finding the Fourth Proportional to 369,286.10, 553,929.15 and 366,953.30

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Solution

The fourth proportional to 369,286.10, 553,929.15 and 366,953.30 is: 550,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,286.10 : 553,929.15 = 366,953.30 : x
  2. Step 2: Convert to fraction form
    369,286.10/553,929.15 = 366,953.30/x
  3. Step 3: Cross multiply
    369,286.10x = 553,929.15 × 366,953.30
  4. Step 4: Simplify right side
    369,286.10x = 203,266,129,558.70
  5. Step 5: Solve for x
    x = 203,266,129,558.70/369,286.10
  6. Step 6: Final answer
    x = 550,429.95

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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.