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Finding the Fourth Proportional to 362,079.11, 499,618.16 and 216,850.86

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Solution

The fourth proportional to 362,079.11, 499,618.16 and 216,850.86 is: 299,223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,079.11 : 499,618.16 = 216,850.86 : x
  2. Step 2: Convert to fraction form
    362,079.11/499,618.16 = 216,850.86/x
  3. Step 3: Cross multiply
    362,079.11x = 499,618.16 × 216,850.86
  4. Step 4: Simplify right side
    362,079.11x = 108,342,626,583.36
  5. Step 5: Solve for x
    x = 108,342,626,583.36/362,079.11
  6. Step 6: Final answer
    x = 299,223.64

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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.