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Finding the Fourth Proportional to 571,250.64, 787,416.48 and 450,197.76

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Solution

The fourth proportional to 571,250.64, 787,416.48 and 450,197.76 is: 620,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,250.64 : 787,416.48 = 450,197.76 : x
  2. Step 2: Convert to fraction form
    571,250.64/787,416.48 = 450,197.76/x
  3. Step 3: Cross multiply
    571,250.64x = 787,416.48 × 450,197.76
  4. Step 4: Simplify right side
    571,250.64x = 354,493,135,483.09
  5. Step 5: Solve for x
    x = 354,493,135,483.09/571,250.64
  6. Step 6: Final answer
    x = 620,556.22

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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.