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Finding the Fourth Proportional to 416,235.64, 574,406.63 and 225,248.98

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Solution

The fourth proportional to 416,235.64, 574,406.63 and 225,248.98 is: 310,844.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,235.64 : 574,406.63 = 225,248.98 : x
  2. Step 2: Convert to fraction form
    416,235.64/574,406.63 = 225,248.98/x
  3. Step 3: Cross multiply
    416,235.64x = 574,406.63 × 225,248.98
  4. Step 4: Simplify right side
    416,235.64x = 129,384,507,512.74
  5. Step 5: Solve for x
    x = 129,384,507,512.74/416,235.64
  6. Step 6: Final answer
    x = 310,844.38

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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.