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Finding the Fourth Proportional to 375,415.86, 562,773.88 and 188,208.66

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Solution

The fourth proportional to 375,415.86, 562,773.88 and 188,208.66 is: 282,137.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,415.86 : 562,773.88 = 188,208.66 : x
  2. Step 2: Convert to fraction form
    375,415.86/562,773.88 = 188,208.66/x
  3. Step 3: Cross multiply
    375,415.86x = 562,773.88 × 188,208.66
  4. Step 4: Simplify right side
    375,415.86x = 105,918,919,124.79
  5. Step 5: Solve for x
    x = 105,918,919,124.79/375,415.86
  6. Step 6: Final answer
    x = 282,137.57

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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.