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Finding the Fourth Proportional to 317,420, 476,249.88 and 167,654.24

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Solution

The fourth proportional to 317,420, 476,249.88 and 167,654.24 is: 251,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,420 : 476,249.88 = 167,654.24 : x
  2. Step 2: Convert to fraction form
    317,420/476,249.88 = 167,654.24/x
  3. Step 3: Cross multiply
    317,420x = 476,249.88 × 167,654.24
  4. Step 4: Simplify right side
    317,420x = 79,845,311,681.49
  5. Step 5: Solve for x
    x = 79,845,311,681.49/317,420
  6. Step 6: Final answer
    x = 251,544.68

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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.