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Finding the Fourth Proportional to 328,924.20, 493,616.70 and 210,882.60

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Solution

The fourth proportional to 328,924.20, 493,616.70 and 210,882.60 is: 316,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,924.20 : 493,616.70 = 210,882.60 : x
  2. Step 2: Convert to fraction form
    328,924.20/493,616.70 = 210,882.60/x
  3. Step 3: Cross multiply
    328,924.20x = 493,616.70 × 210,882.60
  4. Step 4: Simplify right side
    328,924.20x = 104,095,173,099.42
  5. Step 5: Solve for x
    x = 104,095,173,099.42/328,924.20
  6. Step 6: Final answer
    x = 316,471.62

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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.