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Finding the Fourth Proportional to 366,926.70, 550,390.05 and 314,438.70

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Solution

The fourth proportional to 366,926.70, 550,390.05 and 314,438.70 is: 471,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,926.70 : 550,390.05 = 314,438.70 : x
  2. Step 2: Convert to fraction form
    366,926.70/550,390.05 = 314,438.70/x
  3. Step 3: Cross multiply
    366,926.70x = 550,390.05 × 314,438.70
  4. Step 4: Simplify right side
    366,926.70x = 173,063,931,814.94
  5. Step 5: Solve for x
    x = 173,063,931,814.94/366,926.70
  6. Step 6: Final answer
    x = 471,658.05

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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.