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Finding the Fourth Proportional to 372,893.20, 559,534.20 and 162,552.40

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Solution

The fourth proportional to 372,893.20, 559,534.20 and 162,552.40 is: 243,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,893.20 : 559,534.20 = 162,552.40 : x
  2. Step 2: Convert to fraction form
    372,893.20/559,534.20 = 162,552.40/x
  3. Step 3: Cross multiply
    372,893.20x = 559,534.20 × 162,552.40
  4. Step 4: Simplify right side
    372,893.20x = 90,953,627,092.08
  5. Step 5: Solve for x
    x = 90,953,627,092.08/372,893.20
  6. Step 6: Final answer
    x = 243,913.34

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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.