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Finding the Fourth Proportional to 571,272.53, 787,997.60 and 367,588.10

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Solution

The fourth proportional to 571,272.53, 787,997.60 and 367,588.10 is: 507,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,272.53 : 787,997.60 = 367,588.10 : x
  2. Step 2: Convert to fraction form
    571,272.53/787,997.60 = 367,588.10/x
  3. Step 3: Cross multiply
    571,272.53x = 787,997.60 × 367,588.10
  4. Step 4: Simplify right side
    571,272.53x = 289,658,542,099.07
  5. Step 5: Solve for x
    x = 289,658,542,099.07/571,272.53
  6. Step 6: Final answer
    x = 507,040.91

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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.