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Finding the Fourth Proportional to 414,555.98, 621,503.18 and 234,530.34

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Solution

The fourth proportional to 414,555.98, 621,503.18 and 234,530.34 is: 351,608.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,555.98 : 621,503.18 = 234,530.34 : x
  2. Step 2: Convert to fraction form
    414,555.98/621,503.18 = 234,530.34/x
  3. Step 3: Cross multiply
    414,555.98x = 621,503.18 × 234,530.34
  4. Step 4: Simplify right side
    414,555.98x = 145,761,349,492.68
  5. Step 5: Solve for x
    x = 145,761,349,492.68/414,555.98
  6. Step 6: Final answer
    x = 351,608.37

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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.