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Finding the Fourth Proportional to 374,633.52, 517,044.84 and 211,323.54

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Solution

The fourth proportional to 374,633.52, 517,044.84 and 211,323.54 is: 291,655.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,633.52 : 517,044.84 = 211,323.54 : x
  2. Step 2: Convert to fraction form
    374,633.52/517,044.84 = 211,323.54/x
  3. Step 3: Cross multiply
    374,633.52x = 517,044.84 × 211,323.54
  4. Step 4: Simplify right side
    374,633.52x = 109,263,745,927.53
  5. Step 5: Solve for x
    x = 109,263,745,927.53/374,633.52
  6. Step 6: Final answer
    x = 291,655.02

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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.