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Finding the Fourth Proportional to 571,019.86, 787,650.60 and 367,336

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Solution

The fourth proportional to 571,019.86, 787,650.60 and 367,336 is: 506,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,019.86 : 787,650.60 = 367,336 : x
  2. Step 2: Convert to fraction form
    571,019.86/787,650.60 = 367,336/x
  3. Step 3: Cross multiply
    571,019.86x = 787,650.60 × 367,336
  4. Step 4: Simplify right side
    571,019.86x = 289,332,420,801.60
  5. Step 5: Solve for x
    x = 289,332,420,801.60/571,019.86
  6. Step 6: Final answer
    x = 506,694.15

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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.