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Finding the Fourth Proportional to 339,014.16, 508,550.88 and 125,784.48

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Solution

The fourth proportional to 339,014.16, 508,550.88 and 125,784.48 is: 188,687.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,014.16 : 508,550.88 = 125,784.48 : x
  2. Step 2: Convert to fraction form
    339,014.16/508,550.88 = 125,784.48/x
  3. Step 3: Cross multiply
    339,014.16x = 508,550.88 × 125,784.48
  4. Step 4: Simplify right side
    339,014.16x = 63,967,807,994.34
  5. Step 5: Solve for x
    x = 63,967,807,994.34/339,014.16
  6. Step 6: Final answer
    x = 188,687.72

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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.