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Finding the Fourth Proportional to 311,344.84, 429,666.44 and 184,129.48

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Solution

The fourth proportional to 311,344.84, 429,666.44 and 184,129.48 is: 254,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,344.84 : 429,666.44 = 184,129.48 : x
  2. Step 2: Convert to fraction form
    311,344.84/429,666.44 = 184,129.48/x
  3. Step 3: Cross multiply
    311,344.84x = 429,666.44 × 184,129.48
  4. Step 4: Simplify right side
    311,344.84x = 79,114,258,170.65
  5. Step 5: Solve for x
    x = 79,114,258,170.65/311,344.84
  6. Step 6: Final answer
    x = 254,104.93

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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.