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Finding the Fourth Proportional to 328,274.17, 453,018.22 and 177,371.17

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Solution

The fourth proportional to 328,274.17, 453,018.22 and 177,371.17 is: 244,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,274.17 : 453,018.22 = 177,371.17 : x
  2. Step 2: Convert to fraction form
    328,274.17/453,018.22 = 177,371.17/x
  3. Step 3: Cross multiply
    328,274.17x = 453,018.22 × 177,371.17
  4. Step 4: Simplify right side
    328,274.17x = 80,352,370,136.74
  5. Step 5: Solve for x
    x = 80,352,370,136.74/328,274.17
  6. Step 6: Final answer
    x = 244,772.14

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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.