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Finding the Fourth Proportional to 445,814.94, 615,224.52 and 254,832.42

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Solution

The fourth proportional to 445,814.94, 615,224.52 and 254,832.42 is: 351,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,814.94 : 615,224.52 = 254,832.42 : x
  2. Step 2: Convert to fraction form
    445,814.94/615,224.52 = 254,832.42/x
  3. Step 3: Cross multiply
    445,814.94x = 615,224.52 × 254,832.42
  4. Step 4: Simplify right side
    445,814.94x = 156,779,153,274.94
  5. Step 5: Solve for x
    x = 156,779,153,274.94/445,814.94
  6. Step 6: Final answer
    x = 351,668.68

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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.