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Finding the Fourth Proportional to 351,563.83, 527,376.89 and 98,846.51

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Solution

The fourth proportional to 351,563.83, 527,376.89 and 98,846.51 is: 148,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,563.83 : 527,376.89 = 98,846.51 : x
  2. Step 2: Convert to fraction form
    351,563.83/527,376.89 = 98,846.51/x
  3. Step 3: Cross multiply
    351,563.83x = 527,376.89 × 98,846.51
  4. Step 4: Simplify right side
    351,563.83x = 52,129,365,031.15
  5. Step 5: Solve for x
    x = 52,129,365,031.15/351,563.83
  6. Step 6: Final answer
    x = 148,278.52

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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.