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Finding the Fourth Proportional to 575,691.20, 794,436.36 and 321,085.52

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Solution

The fourth proportional to 575,691.20, 794,436.36 and 321,085.52 is: 443,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,691.20 : 794,436.36 = 321,085.52 : x
  2. Step 2: Convert to fraction form
    575,691.20/794,436.36 = 321,085.52/x
  3. Step 3: Cross multiply
    575,691.20x = 794,436.36 × 321,085.52
  4. Step 4: Simplify right side
    575,691.20x = 255,082,011,757.51
  5. Step 5: Solve for x
    x = 255,082,011,757.51/575,691.20
  6. Step 6: Final answer
    x = 443,088.26

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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.