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Finding the Fourth Proportional to 416,301.48, 623,892.78 and 216,205.56

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Solution

The fourth proportional to 416,301.48, 623,892.78 and 216,205.56 is: 324,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,301.48 : 623,892.78 = 216,205.56 : x
  2. Step 2: Convert to fraction form
    416,301.48/623,892.78 = 216,205.56/x
  3. Step 3: Cross multiply
    416,301.48x = 623,892.78 × 216,205.56
  4. Step 4: Simplify right side
    416,301.48x = 134,889,087,879.86
  5. Step 5: Solve for x
    x = 134,889,087,879.86/416,301.48
  6. Step 6: Final answer
    x = 324,017.80

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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.