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Finding the Fourth Proportional to 574,758.02, 793,166.10 and 320,109.20

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Solution

The fourth proportional to 574,758.02, 793,166.10 and 320,109.20 is: 441,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,758.02 : 793,166.10 = 320,109.20 : x
  2. Step 2: Convert to fraction form
    574,758.02/793,166.10 = 320,109.20/x
  3. Step 3: Cross multiply
    574,758.02x = 793,166.10 × 320,109.20
  4. Step 4: Simplify right side
    574,758.02x = 253,899,765,738.12
  5. Step 5: Solve for x
    x = 253,899,765,738.12/574,758.02
  6. Step 6: Final answer
    x = 441,750.71

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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.