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Finding the Fourth Proportional to 571,396.77, 788,367.96 and 450,161.82

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Solution

The fourth proportional to 571,396.77, 788,367.96 and 450,161.82 is: 621,097.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,396.77 : 788,367.96 = 450,161.82 : x
  2. Step 2: Convert to fraction form
    571,396.77/788,367.96 = 450,161.82/x
  3. Step 3: Cross multiply
    571,396.77x = 788,367.96 × 450,161.82
  4. Step 4: Simplify right side
    571,396.77x = 354,893,155,703.29
  5. Step 5: Solve for x
    x = 354,893,155,703.29/571,396.77
  6. Step 6: Final answer
    x = 621,097.59

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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.