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Finding the Fourth Proportional to 446,173.02, 615,729.49 and 242,232.54

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Solution

The fourth proportional to 446,173.02, 615,729.49 and 242,232.54 is: 334,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,173.02 : 615,729.49 = 242,232.54 : x
  2. Step 2: Convert to fraction form
    446,173.02/615,729.49 = 242,232.54/x
  3. Step 3: Cross multiply
    446,173.02x = 615,729.49 × 242,232.54
  4. Step 4: Simplify right side
    446,173.02x = 149,149,717,710.02
  5. Step 5: Solve for x
    x = 149,149,717,710.02/446,173.02
  6. Step 6: Final answer
    x = 334,286.72

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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.