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Finding the Fourth Proportional to 397,875.68, 596,833.36 and 113,608.40

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Solution

The fourth proportional to 397,875.68, 596,833.36 and 113,608.40 is: 170,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,875.68 : 596,833.36 = 113,608.40 : x
  2. Step 2: Convert to fraction form
    397,875.68/596,833.36 = 113,608.40/x
  3. Step 3: Cross multiply
    397,875.68x = 596,833.36 × 113,608.40
  4. Step 4: Simplify right side
    397,875.68x = 67,805,283,096.22
  5. Step 5: Solve for x
    x = 67,805,283,096.22/397,875.68
  6. Step 6: Final answer
    x = 170,418.27

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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.