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Finding the Fourth Proportional to 314,590.50, 434,135.52 and 171,350.10

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Solution

The fourth proportional to 314,590.50, 434,135.52 and 171,350.10 is: 236,463.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,590.50 : 434,135.52 = 171,350.10 : x
  2. Step 2: Convert to fraction form
    314,590.50/434,135.52 = 171,350.10/x
  3. Step 3: Cross multiply
    314,590.50x = 434,135.52 × 171,350.10
  4. Step 4: Simplify right side
    314,590.50x = 74,389,164,765.55
  5. Step 5: Solve for x
    x = 74,389,164,765.55/314,590.50
  6. Step 6: Final answer
    x = 236,463.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.