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Finding the Fourth Proportional to 370,410.84, 511,166.97 and 200,644.97

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Solution

The fourth proportional to 370,410.84, 511,166.97 and 200,644.97 is: 276,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,410.84 : 511,166.97 = 200,644.97 : x
  2. Step 2: Convert to fraction form
    370,410.84/511,166.97 = 200,644.97/x
  3. Step 3: Cross multiply
    370,410.84x = 511,166.97 × 200,644.97
  4. Step 4: Simplify right side
    370,410.84x = 102,563,078,804.81
  5. Step 5: Solve for x
    x = 102,563,078,804.81/370,410.84
  6. Step 6: Final answer
    x = 276,890.06

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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.