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Finding the Fourth Proportional to 334,058.60, 501,087.90 and 156,911.60

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Solution

The fourth proportional to 334,058.60, 501,087.90 and 156,911.60 is: 235,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,058.60 : 501,087.90 = 156,911.60 : x
  2. Step 2: Convert to fraction form
    334,058.60/501,087.90 = 156,911.60/x
  3. Step 3: Cross multiply
    334,058.60x = 501,087.90 × 156,911.60
  4. Step 4: Simplify right side
    334,058.60x = 78,626,504,129.64
  5. Step 5: Solve for x
    x = 78,626,504,129.64/334,058.60
  6. Step 6: Final answer
    x = 235,367.40

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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.