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Finding the Fourth Proportional to 469,323.38, 703,260.50 and 316,923.23

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Solution

The fourth proportional to 469,323.38, 703,260.50 and 316,923.23 is: 474,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,323.38 : 703,260.50 = 316,923.23 : x
  2. Step 2: Convert to fraction form
    469,323.38/703,260.50 = 316,923.23/x
  3. Step 3: Cross multiply
    469,323.38x = 703,260.50 × 316,923.23
  4. Step 4: Simplify right side
    469,323.38x = 222,879,589,364.95
  5. Step 5: Solve for x
    x = 222,879,589,364.95/469,323.38
  6. Step 6: Final answer
    x = 474,895.56

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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.