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Finding the Fourth Proportional to 672,315.04, 927,794.94 and 366,391.54

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Solution

The fourth proportional to 672,315.04, 927,794.94 and 366,391.54 is: 505,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,315.04 : 927,794.94 = 366,391.54 : x
  2. Step 2: Convert to fraction form
    672,315.04/927,794.94 = 366,391.54/x
  3. Step 3: Cross multiply
    672,315.04x = 927,794.94 × 366,391.54
  4. Step 4: Simplify right side
    672,315.04x = 339,936,216,870.81
  5. Step 5: Solve for x
    x = 339,936,216,870.81/672,315.04
  6. Step 6: Final answer
    x = 505,620.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.