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Finding the Fourth Proportional to 339,810.64, 509,728.92 and 173,404.24

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Solution

The fourth proportional to 339,810.64, 509,728.92 and 173,404.24 is: 260,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,810.64 : 509,728.92 = 173,404.24 : x
  2. Step 2: Convert to fraction form
    339,810.64/509,728.92 = 173,404.24/x
  3. Step 3: Cross multiply
    339,810.64x = 509,728.92 × 173,404.24
  4. Step 4: Simplify right side
    339,810.64x = 88,389,155,978.62
  5. Step 5: Solve for x
    x = 88,389,155,978.62/339,810.64
  6. Step 6: Final answer
    x = 260,112.97

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1.5x scale

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.