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Finding the Fourth Proportional to 372,180.34, 558,059.10 and 253,994.86

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Solution

The fourth proportional to 372,180.34, 558,059.10 and 253,994.86 is: 380,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,180.34 : 558,059.10 = 253,994.86 : x
  2. Step 2: Convert to fraction form
    372,180.34/558,059.10 = 253,994.86/x
  3. Step 3: Cross multiply
    372,180.34x = 558,059.10 × 253,994.86
  4. Step 4: Simplify right side
    372,180.34x = 141,744,142,976.23
  5. Step 5: Solve for x
    x = 141,744,142,976.23/372,180.34
  6. Step 6: Final answer
    x = 380,848.01

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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.