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Finding the Fourth Proportional to 366,803.70, 550,205.55 and 316,065.30

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Solution

The fourth proportional to 366,803.70, 550,205.55 and 316,065.30 is: 474,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,803.70 : 550,205.55 = 316,065.30 : x
  2. Step 2: Convert to fraction form
    366,803.70/550,205.55 = 316,065.30/x
  3. Step 3: Cross multiply
    366,803.70x = 550,205.55 × 316,065.30
  4. Step 4: Simplify right side
    366,803.70x = 173,900,882,222.42
  5. Step 5: Solve for x
    x = 173,900,882,222.42/366,803.70
  6. Step 6: Final answer
    x = 474,097.95

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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.