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Finding the Fourth Proportional to 373,112.58, 514,897.08 and 211,976.48

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Solution

The fourth proportional to 373,112.58, 514,897.08 and 211,976.48 is: 292,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,112.58 : 514,897.08 = 211,976.48 : x
  2. Step 2: Convert to fraction form
    373,112.58/514,897.08 = 211,976.48/x
  3. Step 3: Cross multiply
    373,112.58x = 514,897.08 × 211,976.48
  4. Step 4: Simplify right side
    373,112.58x = 109,146,068,006.19
  5. Step 5: Solve for x
    x = 109,146,068,006.19/373,112.58
  6. Step 6: Final answer
    x = 292,528.51

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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.