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Finding the Fourth Proportional to 604,448.98, 834,172.80 and 349,882.18

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Solution

The fourth proportional to 604,448.98, 834,172.80 and 349,882.18 is: 482,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,448.98 : 834,172.80 = 349,882.18 : x
  2. Step 2: Convert to fraction form
    604,448.98/834,172.80 = 349,882.18/x
  3. Step 3: Cross multiply
    604,448.98x = 834,172.80 × 349,882.18
  4. Step 4: Simplify right side
    604,448.98x = 291,862,197,760.70
  5. Step 5: Solve for x
    x = 291,862,197,760.70/604,448.98
  6. Step 6: Final answer
    x = 482,856.63

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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.