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Finding the Fourth Proportional to 524,856.92, 787,410.30 and 169,870.94

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Solution

The fourth proportional to 524,856.92, 787,410.30 and 169,870.94 is: 254,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,856.92 : 787,410.30 = 169,870.94 : x
  2. Step 2: Convert to fraction form
    524,856.92/787,410.30 = 169,870.94/x
  3. Step 3: Cross multiply
    524,856.92x = 787,410.30 × 169,870.94
  4. Step 4: Simplify right side
    524,856.92x = 133,758,127,826.68
  5. Step 5: Solve for x
    x = 133,758,127,826.68/524,856.92
  6. Step 6: Final answer
    x = 254,846.84

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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.