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Finding the Fourth Proportional to 339,025.80, 508,335.76 and 114,381.28

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Solution

The fourth proportional to 339,025.80, 508,335.76 and 114,381.28 is: 171,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,025.80 : 508,335.76 = 114,381.28 : x
  2. Step 2: Convert to fraction form
    339,025.80/508,335.76 = 114,381.28/x
  3. Step 3: Cross multiply
    339,025.80x = 508,335.76 × 114,381.28
  4. Step 4: Simplify right side
    339,025.80x = 58,144,094,898.57
  5. Step 5: Solve for x
    x = 58,144,094,898.57/339,025.80
  6. Step 6: Final answer
    x = 171,503.45

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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.