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Finding the Fourth Proportional to 311,564.99, 429,990.03 and 184,281.59

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Solution

The fourth proportional to 311,564.99, 429,990.03 and 184,281.59 is: 254,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,564.99 : 429,990.03 = 184,281.59 : x
  2. Step 2: Convert to fraction form
    311,564.99/429,990.03 = 184,281.59/x
  3. Step 3: Cross multiply
    311,564.99x = 429,990.03 × 184,281.59
  4. Step 4: Simplify right side
    311,564.99x = 79,239,244,262.60
  5. Step 5: Solve for x
    x = 79,239,244,262.60/311,564.99
  6. Step 6: Final answer
    x = 254,326.54

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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.