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Finding the Fourth Proportional to 328,275.17, 453,019.60 and 177,372.17

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Solution

The fourth proportional to 328,275.17, 453,019.60 and 177,372.17 is: 244,773.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,275.17 : 453,019.60 = 177,372.17 : x
  2. Step 2: Convert to fraction form
    328,275.17/453,019.60 = 177,372.17/x
  3. Step 3: Cross multiply
    328,275.17x = 453,019.60 × 177,372.17
  4. Step 4: Simplify right side
    328,275.17x = 80,353,069,504.53
  5. Step 5: Solve for x
    x = 80,353,069,504.53/328,275.17
  6. Step 6: Final answer
    x = 244,773.52

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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.