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Finding the Fourth Proportional to 468,985.29, 703,478.21 and 329,367.21

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Solution

The fourth proportional to 468,985.29, 703,478.21 and 329,367.21 is: 494,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,985.29 : 703,478.21 = 329,367.21 : x
  2. Step 2: Convert to fraction form
    468,985.29/703,478.21 = 329,367.21/x
  3. Step 3: Cross multiply
    468,985.29x = 703,478.21 × 329,367.21
  4. Step 4: Simplify right side
    468,985.29x = 231,702,655,323.49
  5. Step 5: Solve for x
    x = 231,702,655,323.49/468,985.29
  6. Step 6: Final answer
    x = 494,051.01

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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.