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Finding the Fourth Proportional to 463,079.02, 638,436.44 and 333,909.40

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Solution

The fourth proportional to 463,079.02, 638,436.44 and 333,909.40 is: 460,353.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,079.02 : 638,436.44 = 333,909.40 : x
  2. Step 2: Convert to fraction form
    463,079.02/638,436.44 = 333,909.40/x
  3. Step 3: Cross multiply
    463,079.02x = 638,436.44 × 333,909.40
  4. Step 4: Simplify right side
    463,079.02x = 213,179,928,618.54
  5. Step 5: Solve for x
    x = 213,179,928,618.54/463,079.02
  6. Step 6: Final answer
    x = 460,353.24

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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.