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Finding the Fourth Proportional to 335,931.86, 463,585.94 and 185,028.86

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Solution

The fourth proportional to 335,931.86, 463,585.94 and 185,028.86 is: 255,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,931.86 : 463,585.94 = 185,028.86 : x
  2. Step 2: Convert to fraction form
    335,931.86/463,585.94 = 185,028.86/x
  3. Step 3: Cross multiply
    335,931.86x = 463,585.94 × 185,028.86
  4. Step 4: Simplify right side
    335,931.86x = 85,776,776,134.87
  5. Step 5: Solve for x
    x = 85,776,776,134.87/335,931.86
  6. Step 6: Final answer
    x = 255,339.81

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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.