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Finding the Fourth Proportional to 365,470.30, 504,323.42 and 212,497.64

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Solution

The fourth proportional to 365,470.30, 504,323.42 and 212,497.64 is: 293,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,470.30 : 504,323.42 = 212,497.64 : x
  2. Step 2: Convert to fraction form
    365,470.30/504,323.42 = 212,497.64/x
  3. Step 3: Cross multiply
    365,470.30x = 504,323.42 × 212,497.64
  4. Step 4: Simplify right side
    365,470.30x = 107,167,535,563.04
  5. Step 5: Solve for x
    x = 107,167,535,563.04/365,470.30
  6. Step 6: Final answer
    x = 293,231.86

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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.