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Finding the Fourth Proportional to 370,576.58, 511,395.92 and 200,810.70

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Solution

The fourth proportional to 370,576.58, 511,395.92 and 200,810.70 is: 277,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,576.58 : 511,395.92 = 200,810.70 : x
  2. Step 2: Convert to fraction form
    370,576.58/511,395.92 = 200,810.70/x
  3. Step 3: Cross multiply
    370,576.58x = 511,395.92 × 200,810.70
  4. Step 4: Simplify right side
    370,576.58x = 102,693,771,668.29
  5. Step 5: Solve for x
    x = 102,693,771,668.29/370,576.58
  6. Step 6: Final answer
    x = 277,118.90

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1.5x scale

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.