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Finding the Fourth Proportional to 250,257.78, 375,386.70 and 63,269.28

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Solution

The fourth proportional to 250,257.78, 375,386.70 and 63,269.28 is: 94,903.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,257.78 : 375,386.70 = 63,269.28 : x
  2. Step 2: Convert to fraction form
    250,257.78/375,386.70 = 63,269.28/x
  3. Step 3: Cross multiply
    250,257.78x = 375,386.70 × 63,269.28
  4. Step 4: Simplify right side
    250,257.78x = 23,750,446,230.58
  5. Step 5: Solve for x
    x = 23,750,446,230.58/250,257.78
  6. Step 6: Final answer
    x = 94,903.93

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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.