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Finding the Fourth Proportional to 469,324.38, 703,261.99 and 316,924.23

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Solution

The fourth proportional to 469,324.38, 703,261.99 and 316,924.23 is: 474,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,324.38 : 703,261.99 = 316,924.23 : x
  2. Step 2: Convert to fraction form
    469,324.38/703,261.99 = 316,924.23/x
  3. Step 3: Cross multiply
    469,324.38x = 703,261.99 × 316,924.23
  4. Step 4: Simplify right side
    469,324.38x = 222,880,764,669.02
  5. Step 5: Solve for x
    x = 222,880,764,669.02/469,324.38
  6. Step 6: Final answer
    x = 474,897.05

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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.