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Finding the Fourth Proportional to 372,441.52, 558,451.50 and 340,702.48

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Solution

The fourth proportional to 372,441.52, 558,451.50 and 340,702.48 is: 510,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,441.52 : 558,451.50 = 340,702.48 : x
  2. Step 2: Convert to fraction form
    372,441.52/558,451.50 = 340,702.48/x
  3. Step 3: Cross multiply
    372,441.52x = 558,451.50 × 340,702.48
  4. Step 4: Simplify right side
    372,441.52x = 190,265,811,009.72
  5. Step 5: Solve for x
    x = 190,265,811,009.72/372,441.52
  6. Step 6: Final answer
    x = 510,860.90

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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.