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Finding the Fourth Proportional to 374,776.88, 517,200.39 and 205,011

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Solution

The fourth proportional to 374,776.88, 517,200.39 and 205,011 is: 282,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,776.88 : 517,200.39 = 205,011 : x
  2. Step 2: Convert to fraction form
    374,776.88/517,200.39 = 205,011/x
  3. Step 3: Cross multiply
    374,776.88x = 517,200.39 × 205,011
  4. Step 4: Simplify right side
    374,776.88x = 106,031,769,154.29
  5. Step 5: Solve for x
    x = 106,031,769,154.29/374,776.88
  6. Step 6: Final answer
    x = 282,919.72

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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.