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Finding the Fourth Proportional to 328,665.19, 453,558 and 177,762.19

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Solution

The fourth proportional to 328,665.19, 453,558 and 177,762.19 is: 245,311.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,665.19 : 453,558 = 177,762.19 : x
  2. Step 2: Convert to fraction form
    328,665.19/453,558 = 177,762.19/x
  3. Step 3: Cross multiply
    328,665.19x = 453,558 × 177,762.19
  4. Step 4: Simplify right side
    328,665.19x = 80,625,463,372.02
  5. Step 5: Solve for x
    x = 80,625,463,372.02/328,665.19
  6. Step 6: Final answer
    x = 245,311.84

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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.