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Finding the Fourth Proportional to 536,562.20, 740,294.36 and 321,623.84

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Solution

The fourth proportional to 536,562.20, 740,294.36 and 321,623.84 is: 443,744.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,562.20 : 740,294.36 = 321,623.84 : x
  2. Step 2: Convert to fraction form
    536,562.20/740,294.36 = 321,623.84/x
  3. Step 3: Cross multiply
    536,562.20x = 740,294.36 × 321,623.84
  4. Step 4: Simplify right side
    536,562.20x = 238,096,314,793.54
  5. Step 5: Solve for x
    x = 238,096,314,793.54/536,562.20
  6. Step 6: Final answer
    x = 443,744.11

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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.