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Finding the Fourth Proportional to 574,698.71, 793,027.45 and 320,073.59

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Solution

The fourth proportional to 574,698.71, 793,027.45 and 320,073.59 is: 441,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,698.71 : 793,027.45 = 320,073.59 : x
  2. Step 2: Convert to fraction form
    574,698.71/793,027.45 = 320,073.59/x
  3. Step 3: Cross multiply
    574,698.71x = 793,027.45 × 320,073.59
  4. Step 4: Simplify right side
    574,698.71x = 253,827,142,890.05
  5. Step 5: Solve for x
    x = 253,827,142,890.05/574,698.71
  6. Step 6: Final answer
    x = 441,669.94

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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.