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Finding the Fourth Proportional to 373,875.44, 515,977.56 and 212,737.28

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Solution

The fourth proportional to 373,875.44, 515,977.56 and 212,737.28 is: 293,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,875.44 : 515,977.56 = 212,737.28 : x
  2. Step 2: Convert to fraction form
    373,875.44/515,977.56 = 212,737.28/x
  3. Step 3: Cross multiply
    373,875.44x = 515,977.56 × 212,737.28
  4. Step 4: Simplify right side
    373,875.44x = 109,767,662,655.44
  5. Step 5: Solve for x
    x = 109,767,662,655.44/373,875.44
  6. Step 6: Final answer
    x = 293,594.21

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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.