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Finding the Fourth Proportional to 427,716.60, 590,396.45 and 246,500.87

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Solution

The fourth proportional to 427,716.60, 590,396.45 and 246,500.87 is: 340,256.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,716.60 : 590,396.45 = 246,500.87 : x
  2. Step 2: Convert to fraction form
    427,716.60/590,396.45 = 246,500.87/x
  3. Step 3: Cross multiply
    427,716.60x = 590,396.45 × 246,500.87
  4. Step 4: Simplify right side
    427,716.60x = 145,533,237,706.41
  5. Step 5: Solve for x
    x = 145,533,237,706.41/427,716.60
  6. Step 6: Final answer
    x = 340,256.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.