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Finding the Fourth Proportional to 341,047.92, 511,553.70 and 104,390.76

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Solution

The fourth proportional to 341,047.92, 511,553.70 and 104,390.76 is: 156,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,047.92 : 511,553.70 = 104,390.76 : x
  2. Step 2: Convert to fraction form
    341,047.92/511,553.70 = 104,390.76/x
  3. Step 3: Cross multiply
    341,047.92x = 511,553.70 × 104,390.76
  4. Step 4: Simplify right side
    341,047.92x = 53,401,479,523.81
  5. Step 5: Solve for x
    x = 53,401,479,523.81/341,047.92
  6. Step 6: Final answer
    x = 156,580.58

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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.