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Finding the Fourth Proportional to 328,956.74, 453,969.15 and 199,851.26

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Solution

The fourth proportional to 328,956.74, 453,969.15 and 199,851.26 is: 275,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,956.74 : 453,969.15 = 199,851.26 : x
  2. Step 2: Convert to fraction form
    328,956.74/453,969.15 = 199,851.26/x
  3. Step 3: Cross multiply
    328,956.74x = 453,969.15 × 199,851.26
  4. Step 4: Simplify right side
    328,956.74x = 90,726,306,628.63
  5. Step 5: Solve for x
    x = 90,726,306,628.63/328,956.74
  6. Step 6: Final answer
    x = 275,800.11

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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.