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Finding the Fourth Proportional to 403,731.50, 557,149.48 and 224,883.50

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Solution

The fourth proportional to 403,731.50, 557,149.48 and 224,883.50 is: 310,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,731.50 : 557,149.48 = 224,883.50 : x
  2. Step 2: Convert to fraction form
    403,731.50/557,149.48 = 224,883.50/x
  3. Step 3: Cross multiply
    403,731.50x = 557,149.48 × 224,883.50
  4. Step 4: Simplify right side
    403,731.50x = 125,293,725,085.58
  5. Step 5: Solve for x
    x = 125,293,725,085.58/403,731.50
  6. Step 6: Final answer
    x = 310,339.24

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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.