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Finding the Fourth Proportional to 372,483.72, 558,725.58 and 306,553.32

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Solution

The fourth proportional to 372,483.72, 558,725.58 and 306,553.32 is: 459,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,483.72 : 558,725.58 = 306,553.32 : x
  2. Step 2: Convert to fraction form
    372,483.72/558,725.58 = 306,553.32/x
  3. Step 3: Cross multiply
    372,483.72x = 558,725.58 × 306,553.32
  4. Step 4: Simplify right side
    372,483.72x = 171,279,181,517.93
  5. Step 5: Solve for x
    x = 171,279,181,517.93/372,483.72
  6. Step 6: Final answer
    x = 459,829.98

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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.