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Finding the Fourth Proportional to 559,507.20, 839,508.84 and 293,204.40

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Solution

The fourth proportional to 559,507.20, 839,508.84 and 293,204.40 is: 439,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,507.20 : 839,508.84 = 293,204.40 : x
  2. Step 2: Convert to fraction form
    559,507.20/839,508.84 = 293,204.40/x
  3. Step 3: Cross multiply
    559,507.20x = 839,508.84 × 293,204.40
  4. Step 4: Simplify right side
    559,507.20x = 246,147,685,726.90
  5. Step 5: Solve for x
    x = 246,147,685,726.90/559,507.20
  6. Step 6: Final answer
    x = 439,936.58

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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.