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Finding the Fourth Proportional to 587,191.48, 810,274.74 and 325,553.78

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Solution

The fourth proportional to 587,191.48, 810,274.74 and 325,553.78 is: 449,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,191.48 : 810,274.74 = 325,553.78 : x
  2. Step 2: Convert to fraction form
    587,191.48/810,274.74 = 325,553.78/x
  3. Step 3: Cross multiply
    587,191.48x = 810,274.74 × 325,553.78
  4. Step 4: Simplify right side
    587,191.48x = 263,788,004,445.52
  5. Step 5: Solve for x
    x = 263,788,004,445.52/587,191.48
  6. Step 6: Final answer
    x = 449,236.77

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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.