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Finding the Fourth Proportional to 374,273.94, 560,404.87 and 285,102.66

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Solution

The fourth proportional to 374,273.94, 560,404.87 and 285,102.66 is: 426,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,273.94 : 560,404.87 = 285,102.66 : x
  2. Step 2: Convert to fraction form
    374,273.94/560,404.87 = 285,102.66/x
  3. Step 3: Cross multiply
    374,273.94x = 560,404.87 × 285,102.66
  4. Step 4: Simplify right side
    374,273.94x = 159,772,919,113.95
  5. Step 5: Solve for x
    x = 159,772,919,113.95/374,273.94
  6. Step 6: Final answer
    x = 426,887.64

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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.