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Finding the Fourth Proportional to 328,522.74, 453,362.04 and 177,619.74

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Solution

The fourth proportional to 328,522.74, 453,362.04 and 177,619.74 is: 245,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,522.74 : 453,362.04 = 177,619.74 : x
  2. Step 2: Convert to fraction form
    328,522.74/453,362.04 = 177,619.74/x
  3. Step 3: Cross multiply
    328,522.74x = 453,362.04 × 177,619.74
  4. Step 4: Simplify right side
    328,522.74x = 80,526,047,670.67
  5. Step 5: Solve for x
    x = 80,526,047,670.67/328,522.74
  6. Step 6: Final answer
    x = 245,115.60

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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.