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Finding the Fourth Proportional to 592,959.52, 818,278.44 and 321,020.44

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Solution

The fourth proportional to 592,959.52, 818,278.44 and 321,020.44 is: 443,005.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,959.52 : 818,278.44 = 321,020.44 : x
  2. Step 2: Convert to fraction form
    592,959.52/818,278.44 = 321,020.44/x
  3. Step 3: Cross multiply
    592,959.52x = 818,278.44 × 321,020.44
  4. Step 4: Simplify right side
    592,959.52x = 262,684,104,851.31
  5. Step 5: Solve for x
    x = 262,684,104,851.31/592,959.52
  6. Step 6: Final answer
    x = 443,005.12

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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.