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Finding the Fourth Proportional to 607,937.14, 839,055.30 and 411,614.56

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Solution

The fourth proportional to 607,937.14, 839,055.30 and 411,614.56 is: 568,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,937.14 : 839,055.30 = 411,614.56 : x
  2. Step 2: Convert to fraction form
    607,937.14/839,055.30 = 411,614.56/x
  3. Step 3: Cross multiply
    607,937.14x = 839,055.30 × 411,614.56
  4. Step 4: Simplify right side
    607,937.14x = 345,367,378,125.17
  5. Step 5: Solve for x
    x = 345,367,378,125.17/607,937.14
  6. Step 6: Final answer
    x = 568,097.19

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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.