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Finding the Fourth Proportional to 216,347.44, 300,086.90 and 210,593.20

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Solution

The fourth proportional to 216,347.44, 300,086.90 and 210,593.20 is: 292,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,347.44 : 300,086.90 = 210,593.20 : x
  2. Step 2: Convert to fraction form
    216,347.44/300,086.90 = 210,593.20/x
  3. Step 3: Cross multiply
    216,347.44x = 300,086.90 × 210,593.20
  4. Step 4: Simplify right side
    216,347.44x = 63,196,260,549.08
  5. Step 5: Solve for x
    x = 63,196,260,549.08/216,347.44
  6. Step 6: Final answer
    x = 292,105.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.