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Finding the Fourth Proportional to 311,567.99, 429,994.17 and 184,284.59

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Solution

The fourth proportional to 311,567.99, 429,994.17 and 184,284.59 is: 254,330.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,567.99 : 429,994.17 = 184,284.59 : x
  2. Step 2: Convert to fraction form
    311,567.99/429,994.17 = 184,284.59/x
  3. Step 3: Cross multiply
    311,567.99x = 429,994.17 × 184,284.59
  4. Step 4: Simplify right side
    311,567.99x = 79,241,297,170.87
  5. Step 5: Solve for x
    x = 79,241,297,170.87/311,567.99
  6. Step 6: Final answer
    x = 254,330.68

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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.