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Finding the Fourth Proportional to 416,261.55, 574,440.93 and 225,274.94

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Solution

The fourth proportional to 416,261.55, 574,440.93 and 225,274.94 is: 310,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,261.55 : 574,440.93 = 225,274.94 : x
  2. Step 2: Convert to fraction form
    416,261.55/574,440.93 = 225,274.94/x
  3. Step 3: Cross multiply
    416,261.55x = 574,440.93 × 225,274.94
  4. Step 4: Simplify right side
    416,261.55x = 129,407,146,039.29
  5. Step 5: Solve for x
    x = 129,407,146,039.29/416,261.55
  6. Step 6: Final answer
    x = 310,879.41

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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.