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Finding the Fourth Proportional to 351,536.47, 527,303.87 and 85,296.76

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Solution

The fourth proportional to 351,536.47, 527,303.87 and 85,296.76 is: 127,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,536.47 : 527,303.87 = 85,296.76 : x
  2. Step 2: Convert to fraction form
    351,536.47/527,303.87 = 85,296.76/x
  3. Step 3: Cross multiply
    351,536.47x = 527,303.87 × 85,296.76
  4. Step 4: Simplify right side
    351,536.47x = 44,977,309,901.72
  5. Step 5: Solve for x
    x = 44,977,309,901.72/351,536.47
  6. Step 6: Final answer
    x = 127,944.93

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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.