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Finding the Fourth Proportional to 283,190.64, 424,785.93 and 265,869.60

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Solution

The fourth proportional to 283,190.64, 424,785.93 and 265,869.60 is: 398,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,190.64 : 424,785.93 = 265,869.60 : x
  2. Step 2: Convert to fraction form
    283,190.64/424,785.93 = 265,869.60/x
  3. Step 3: Cross multiply
    283,190.64x = 424,785.93 × 265,869.60
  4. Step 4: Simplify right side
    283,190.64x = 112,937,665,294.73
  5. Step 5: Solve for x
    x = 112,937,665,294.73/283,190.64
  6. Step 6: Final answer
    x = 398,804.37

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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.