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Finding the Fourth Proportional to 574,256.07, 861,578.91 and 254,364.93

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Solution

The fourth proportional to 574,256.07, 861,578.91 and 254,364.93 is: 381,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,256.07 : 861,578.91 = 254,364.93 : x
  2. Step 2: Convert to fraction form
    574,256.07/861,578.91 = 254,364.93/x
  3. Step 3: Cross multiply
    574,256.07x = 861,578.91 × 254,364.93
  4. Step 4: Simplify right side
    574,256.07x = 219,155,459,131.63
  5. Step 5: Solve for x
    x = 219,155,459,131.63/574,256.07
  6. Step 6: Final answer
    x = 381,633.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.