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Finding the Fourth Proportional to 341,709.89, 512,470.98 and 101,813.00

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Solution

The fourth proportional to 341,709.89, 512,470.98 and 101,813.00 is: 152,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,709.89 : 512,470.98 = 101,813.00 : x
  2. Step 2: Convert to fraction form
    341,709.89/512,470.98 = 101,813.00/x
  3. Step 3: Cross multiply
    341,709.89x = 512,470.98 × 101,813.00
  4. Step 4: Simplify right side
    341,709.89x = 52,176,205,324.39
  5. Step 5: Solve for x
    x = 52,176,205,324.39/341,709.89
  6. Step 6: Final answer
    x = 152,691.53

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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.