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Finding the Fourth Proportional to 419,588.44, 629,444.58 and 153,286.72

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Solution

The fourth proportional to 419,588.44, 629,444.58 and 153,286.72 is: 229,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,588.44 : 629,444.58 = 153,286.72 : x
  2. Step 2: Convert to fraction form
    419,588.44/629,444.58 = 153,286.72/x
  3. Step 3: Cross multiply
    419,588.44x = 629,444.58 × 153,286.72
  4. Step 4: Simplify right side
    419,588.44x = 96,485,495,089.98
  5. Step 5: Solve for x
    x = 96,485,495,089.98/419,588.44
  6. Step 6: Final answer
    x = 229,952.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.