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Finding the Fourth Proportional to 649,972.98, 975,380.46 and 350,660.16

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Solution

The fourth proportional to 649,972.98, 975,380.46 and 350,660.16 is: 526,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,972.98 : 975,380.46 = 350,660.16 : x
  2. Step 2: Convert to fraction form
    649,972.98/975,380.46 = 350,660.16/x
  3. Step 3: Cross multiply
    649,972.98x = 975,380.46 × 350,660.16
  4. Step 4: Simplify right side
    649,972.98x = 342,027,068,164.47
  5. Step 5: Solve for x
    x = 342,027,068,164.47/649,972.98
  6. Step 6: Final answer
    x = 526,217.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.