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Finding the Fourth Proportional to 398,315.31, 596,893.41 and 246,187.59

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Solution

The fourth proportional to 398,315.31, 596,893.41 and 246,187.59 is: 368,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,315.31 : 596,893.41 = 246,187.59 : x
  2. Step 2: Convert to fraction form
    398,315.31/596,893.41 = 246,187.59/x
  3. Step 3: Cross multiply
    398,315.31x = 596,893.41 × 246,187.59
  4. Step 4: Simplify right side
    398,315.31x = 146,947,750,094.78
  5. Step 5: Solve for x
    x = 146,947,750,094.78/398,315.31
  6. Step 6: Final answer
    x = 368,923.18

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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.