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Finding the Fourth Proportional to 427,709.60, 590,199.26 and 255,593.41

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Solution

The fourth proportional to 427,709.60, 590,199.26 and 255,593.41 is: 352,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,709.60 : 590,199.26 = 255,593.41 : x
  2. Step 2: Convert to fraction form
    427,709.60/590,199.26 = 255,593.41/x
  3. Step 3: Cross multiply
    427,709.60x = 590,199.26 × 255,593.41
  4. Step 4: Simplify right side
    427,709.60x = 150,851,038,491.88
  5. Step 5: Solve for x
    x = 150,851,038,491.88/427,709.60
  6. Step 6: Final answer
    x = 352,695.00

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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.