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Finding the Fourth Proportional to 427,655.87, 590,183.62 and 236,669.32

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Solution

The fourth proportional to 427,655.87, 590,183.62 and 236,669.32 is: 326,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,655.87 : 590,183.62 = 236,669.32 : x
  2. Step 2: Convert to fraction form
    427,655.87/590,183.62 = 236,669.32/x
  3. Step 3: Cross multiply
    427,655.87x = 590,183.62 × 236,669.32
  4. Step 4: Simplify right side
    427,655.87x = 139,678,353,953.41
  5. Step 5: Solve for x
    x = 139,678,353,953.41/427,655.87
  6. Step 6: Final answer
    x = 326,613.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.