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Finding the Fourth Proportional to 250,420.88, 375,645 and 63,434

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Solution

The fourth proportional to 250,420.88, 375,645 and 63,434 is: 95,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,420.88 : 375,645 = 63,434 : x
  2. Step 2: Convert to fraction form
    250,420.88/375,645 = 63,434/x
  3. Step 3: Cross multiply
    250,420.88x = 375,645 × 63,434
  4. Step 4: Simplify right side
    250,420.88x = 23,828,664,930
  5. Step 5: Solve for x
    x = 23,828,664,930/250,420.88
  6. Step 6: Final answer
    x = 95,154.47

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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.