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Finding the Fourth Proportional to 566,851.50, 850,397.20 and 187,750.78

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Solution

The fourth proportional to 566,851.50, 850,397.20 and 187,750.78 is: 281,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,851.50 : 850,397.20 = 187,750.78 : x
  2. Step 2: Convert to fraction form
    566,851.50/850,397.20 = 187,750.78/x
  3. Step 3: Cross multiply
    566,851.50x = 850,397.20 × 187,750.78
  4. Step 4: Simplify right side
    566,851.50x = 159,662,735,014.45
  5. Step 5: Solve for x
    x = 159,662,735,014.45/566,851.50
  6. Step 6: Final answer
    x = 281,665.89

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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.