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Finding the Fourth Proportional to 574,842.94, 793,307.73 and 320,194.24

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Solution

The fourth proportional to 574,842.94, 793,307.73 and 320,194.24 is: 441,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,842.94 : 793,307.73 = 320,194.24 : x
  2. Step 2: Convert to fraction form
    574,842.94/793,307.73 = 320,194.24/x
  3. Step 3: Cross multiply
    574,842.94x = 793,307.73 × 320,194.24
  4. Step 4: Simplify right side
    574,842.94x = 254,012,565,693.48
  5. Step 5: Solve for x
    x = 254,012,565,693.48/574,842.94
  6. Step 6: Final answer
    x = 441,881.68

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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.