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Finding the Fourth Proportional to 562,037.36, 775,619.74 and 317,033.82

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Solution

The fourth proportional to 562,037.36, 775,619.74 and 317,033.82 is: 437,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,037.36 : 775,619.74 = 317,033.82 : x
  2. Step 2: Convert to fraction form
    562,037.36/775,619.74 = 317,033.82/x
  3. Step 3: Cross multiply
    562,037.36x = 775,619.74 × 317,033.82
  4. Step 4: Simplify right side
    562,037.36x = 245,897,691,171.50
  5. Step 5: Solve for x
    x = 245,897,691,171.50/562,037.36
  6. Step 6: Final answer
    x = 437,511.29

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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.