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Finding the Fourth Proportional to 256,354.96, 384,532.48 and 167,683.04

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Solution

The fourth proportional to 256,354.96, 384,532.48 and 167,683.04 is: 251,524.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,354.96 : 384,532.48 = 167,683.04 : x
  2. Step 2: Convert to fraction form
    256,354.96/384,532.48 = 167,683.04/x
  3. Step 3: Cross multiply
    256,354.96x = 384,532.48 × 167,683.04
  4. Step 4: Simplify right side
    256,354.96x = 64,479,575,225.14
  5. Step 5: Solve for x
    x = 64,479,575,225.14/256,354.96
  6. Step 6: Final answer
    x = 251,524.59

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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.