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Finding the Fourth Proportional to 369,466.46, 509,864.08 and 199,700.60

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Solution

The fourth proportional to 369,466.46, 509,864.08 and 199,700.60 is: 275,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,466.46 : 509,864.08 = 199,700.60 : x
  2. Step 2: Convert to fraction form
    369,466.46/509,864.08 = 199,700.60/x
  3. Step 3: Cross multiply
    369,466.46x = 509,864.08 × 199,700.60
  4. Step 4: Simplify right side
    369,466.46x = 101,820,162,694.45
  5. Step 5: Solve for x
    x = 101,820,162,694.45/369,466.46
  6. Step 6: Final answer
    x = 275,587.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.