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Finding the Fourth Proportional to 416,844.01, 575,244.95 and 225,857.55

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Solution

The fourth proportional to 416,844.01, 575,244.95 and 225,857.55 is: 311,683.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,844.01 : 575,244.95 = 225,857.55 : x
  2. Step 2: Convert to fraction form
    416,844.01/575,244.95 = 225,857.55/x
  3. Step 3: Cross multiply
    416,844.01x = 575,244.95 × 225,857.55
  4. Step 4: Simplify right side
    416,844.01x = 129,923,415,056.87
  5. Step 5: Solve for x
    x = 129,923,415,056.87/416,844.01
  6. Step 6: Final answer
    x = 311,683.54

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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.