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Finding the Fourth Proportional to 366,858.15, 550,287.23 and 317,650.65

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Solution

The fourth proportional to 366,858.15, 550,287.23 and 317,650.65 is: 476,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,858.15 : 550,287.23 = 317,650.65 : x
  2. Step 2: Convert to fraction form
    366,858.15/550,287.23 = 317,650.65/x
  3. Step 3: Cross multiply
    366,858.15x = 550,287.23 × 317,650.65
  4. Step 4: Simplify right side
    366,858.15x = 174,799,094,707.95
  5. Step 5: Solve for x
    x = 174,799,094,707.95/366,858.15
  6. Step 6: Final answer
    x = 476,475.98

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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.