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Finding the Fourth Proportional to 554,487.23, 764,680.33 and 350,182.55

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Solution

The fourth proportional to 554,487.23, 764,680.33 and 350,182.55 is: 482,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,487.23 : 764,680.33 = 350,182.55 : x
  2. Step 2: Convert to fraction form
    554,487.23/764,680.33 = 350,182.55/x
  3. Step 3: Cross multiply
    554,487.23x = 764,680.33 × 350,182.55
  4. Step 4: Simplify right side
    554,487.23x = 267,777,710,243.67
  5. Step 5: Solve for x
    x = 267,777,710,243.67/554,487.23
  6. Step 6: Final answer
    x = 482,928.54

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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.