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Finding the Fourth Proportional to 608,029.50, 839,164.02 and 349,901.12

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Solution

The fourth proportional to 608,029.50, 839,164.02 and 349,901.12 is: 482,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,029.50 : 839,164.02 = 349,901.12 : x
  2. Step 2: Convert to fraction form
    608,029.50/839,164.02 = 349,901.12/x
  3. Step 3: Cross multiply
    608,029.50x = 839,164.02 × 349,901.12
  4. Step 4: Simplify right side
    608,029.50x = 293,624,430,461.70
  5. Step 5: Solve for x
    x = 293,624,430,461.70/608,029.50
  6. Step 6: Final answer
    x = 482,911.49

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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.