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Finding the Fourth Proportional to 397,239.60, 595,859.40 and 368,079.60

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Solution

The fourth proportional to 397,239.60, 595,859.40 and 368,079.60 is: 552,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,239.60 : 595,859.40 = 368,079.60 : x
  2. Step 2: Convert to fraction form
    397,239.60/595,859.40 = 368,079.60/x
  3. Step 3: Cross multiply
    397,239.60x = 595,859.40 × 368,079.60
  4. Step 4: Simplify right side
    397,239.60x = 219,323,689,608.24
  5. Step 5: Solve for x
    x = 219,323,689,608.24/397,239.60
  6. Step 6: Final answer
    x = 552,119.40

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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.