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Finding the Fourth Proportional to 571,550.74, 788,560.53 and 329,801.59

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Solution

The fourth proportional to 571,550.74, 788,560.53 and 329,801.59 is: 455,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,550.74 : 788,560.53 = 329,801.59 : x
  2. Step 2: Convert to fraction form
    571,550.74/788,560.53 = 329,801.59/x
  3. Step 3: Cross multiply
    571,550.74x = 788,560.53 × 329,801.59
  4. Step 4: Simplify right side
    571,550.74x = 260,068,516,605.24
  5. Step 5: Solve for x
    x = 260,068,516,605.24/571,550.74
  6. Step 6: Final answer
    x = 455,022.62

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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.