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Finding the Fourth Proportional to 354,330.24, 488,975.68 and 195,354.24

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Solution

The fourth proportional to 354,330.24, 488,975.68 and 195,354.24 is: 269,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,330.24 : 488,975.68 = 195,354.24 : x
  2. Step 2: Convert to fraction form
    354,330.24/488,975.68 = 195,354.24/x
  3. Step 3: Cross multiply
    354,330.24x = 488,975.68 × 195,354.24
  4. Step 4: Simplify right side
    354,330.24x = 95,523,472,344.88
  5. Step 5: Solve for x
    x = 95,523,472,344.88/354,330.24
  6. Step 6: Final answer
    x = 269,588.82

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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.