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Finding the Fourth Proportional to 571,174.77, 787,967.52 and 367,187.82

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Solution

The fourth proportional to 571,174.77, 787,967.52 and 367,187.82 is: 506,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,174.77 : 787,967.52 = 367,187.82 : x
  2. Step 2: Convert to fraction form
    571,174.77/787,967.52 = 367,187.82/x
  3. Step 3: Cross multiply
    571,174.77x = 787,967.52 × 367,187.82
  4. Step 4: Simplify right side
    571,174.77x = 289,332,075,899.61
  5. Step 5: Solve for x
    x = 289,332,075,899.61/571,174.77
  6. Step 6: Final answer
    x = 506,556.12

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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.