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Finding the Fourth Proportional to 574,760.22, 793,193.75 and 320,111.47

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Solution

The fourth proportional to 574,760.22, 793,193.75 and 320,111.47 is: 441,767.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,760.22 : 793,193.75 = 320,111.47 : x
  2. Step 2: Convert to fraction form
    574,760.22/793,193.75 = 320,111.47/x
  3. Step 3: Cross multiply
    574,760.22x = 793,193.75 × 320,111.47
  4. Step 4: Simplify right side
    574,760.22x = 253,910,417,307.31
  5. Step 5: Solve for x
    x = 253,910,417,307.31/574,760.22
  6. Step 6: Final answer
    x = 441,767.56

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1.5x scale

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.