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Finding the Fourth Proportional to 207,044.40, 310,566.60 and 186,705.30

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Solution

The fourth proportional to 207,044.40, 310,566.60 and 186,705.30 is: 280,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,044.40 : 310,566.60 = 186,705.30 : x
  2. Step 2: Convert to fraction form
    207,044.40/310,566.60 = 186,705.30/x
  3. Step 3: Cross multiply
    207,044.40x = 310,566.60 × 186,705.30
  4. Step 4: Simplify right side
    207,044.40x = 57,984,430,222.98
  5. Step 5: Solve for x
    x = 57,984,430,222.98/207,044.40
  6. Step 6: Final answer
    x = 280,057.95

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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.