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Finding the Fourth Proportional to 363,744.52, 501,968.47 and 210,812.40

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Solution

The fourth proportional to 363,744.52, 501,968.47 and 210,812.40 is: 290,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,744.52 : 501,968.47 = 210,812.40 : x
  2. Step 2: Convert to fraction form
    363,744.52/501,968.47 = 210,812.40/x
  3. Step 3: Cross multiply
    363,744.52x = 501,968.47 × 210,812.40
  4. Step 4: Simplify right side
    363,744.52x = 105,821,177,885.03
  5. Step 5: Solve for x
    x = 105,821,177,885.03/363,744.52
  6. Step 6: Final answer
    x = 290,921.71

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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.