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Finding the Fourth Proportional to 328,820.96, 453,771.96 and 185,580.56

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Solution

The fourth proportional to 328,820.96, 453,771.96 and 185,580.56 is: 256,100.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,820.96 : 453,771.96 = 185,580.56 : x
  2. Step 2: Convert to fraction form
    328,820.96/453,771.96 = 185,580.56/x
  3. Step 3: Cross multiply
    328,820.96x = 453,771.96 × 185,580.56
  4. Step 4: Simplify right side
    328,820.96x = 84,211,254,449.10
  5. Step 5: Solve for x
    x = 84,211,254,449.10/328,820.96
  6. Step 6: Final answer
    x = 256,100.63

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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.