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Finding the Fourth Proportional to 608,871.96, 913,037.94 and 324,509.51

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Solution

The fourth proportional to 608,871.96, 913,037.94 and 324,509.51 is: 486,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,871.96 : 913,037.94 = 324,509.51 : x
  2. Step 2: Convert to fraction form
    608,871.96/913,037.94 = 324,509.51/x
  3. Step 3: Cross multiply
    608,871.96x = 913,037.94 × 324,509.51
  4. Step 4: Simplify right side
    608,871.96x = 296,289,496,803.40
  5. Step 5: Solve for x
    x = 296,289,496,803.40/608,871.96
  6. Step 6: Final answer
    x = 486,620.37

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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.