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Finding the Fourth Proportional to 365,458.64, 548,464.92 and 155,244.08

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Solution

The fourth proportional to 365,458.64, 548,464.92 and 155,244.08 is: 232,983.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,458.64 : 548,464.92 = 155,244.08 : x
  2. Step 2: Convert to fraction form
    365,458.64/548,464.92 = 155,244.08/x
  3. Step 3: Cross multiply
    365,458.64x = 548,464.92 × 155,244.08
  4. Step 4: Simplify right side
    365,458.64x = 85,145,931,917.67
  5. Step 5: Solve for x
    x = 85,145,931,917.67/365,458.64
  6. Step 6: Final answer
    x = 232,983.77

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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.