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Finding the Fourth Proportional to 387,525.98, 581,400.14 and 162,770.82

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Solution

The fourth proportional to 387,525.98, 581,400.14 and 162,770.82 is: 244,202.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,525.98 : 581,400.14 = 162,770.82 : x
  2. Step 2: Convert to fraction form
    387,525.98/581,400.14 = 162,770.82/x
  3. Step 3: Cross multiply
    387,525.98x = 581,400.14 × 162,770.82
  4. Step 4: Simplify right side
    387,525.98x = 94,634,976,722.06
  5. Step 5: Solve for x
    x = 94,634,976,722.06/387,525.98
  6. Step 6: Final answer
    x = 244,202.93

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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.