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Finding the Fourth Proportional to 328,376.42, 453,153.44 and 185,136.62

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Solution

The fourth proportional to 328,376.42, 453,153.44 and 185,136.62 is: 255,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,376.42 : 453,153.44 = 185,136.62 : x
  2. Step 2: Convert to fraction form
    328,376.42/453,153.44 = 185,136.62/x
  3. Step 3: Cross multiply
    328,376.42x = 453,153.44 × 185,136.62
  4. Step 4: Simplify right side
    328,376.42x = 83,895,293,031.52
  5. Step 5: Solve for x
    x = 83,895,293,031.52/328,376.42
  6. Step 6: Final answer
    x = 255,485.14

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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.