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Finding the Fourth Proportional to 609,159.29, 914,263.81 and 422,302.01

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Solution

The fourth proportional to 609,159.29, 914,263.81 and 422,302.01 is: 633,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,159.29 : 914,263.81 = 422,302.01 : x
  2. Step 2: Convert to fraction form
    609,159.29/914,263.81 = 422,302.01/x
  3. Step 3: Cross multiply
    609,159.29x = 914,263.81 × 422,302.01
  4. Step 4: Simplify right side
    609,159.29x = 386,095,439,006.18
  5. Step 5: Solve for x
    x = 386,095,439,006.18/609,159.29
  6. Step 6: Final answer
    x = 633,816.88

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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.