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Finding the Fourth Proportional to 616,195.95, 850,204.68 and 357,919.43

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Solution

The fourth proportional to 616,195.95, 850,204.68 and 357,919.43 is: 493,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,195.95 : 850,204.68 = 357,919.43 : x
  2. Step 2: Convert to fraction form
    616,195.95/850,204.68 = 357,919.43/x
  3. Step 3: Cross multiply
    616,195.95x = 850,204.68 × 357,919.43
  4. Step 4: Simplify right side
    616,195.95x = 304,304,774,448.93
  5. Step 5: Solve for x
    x = 304,304,774,448.93/616,195.95
  6. Step 6: Final answer
    x = 493,844.17

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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.