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Finding the Fourth Proportional to 370,888.35, 511,825.92 and 201,122.61

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Solution

The fourth proportional to 370,888.35, 511,825.92 and 201,122.61 is: 277,549.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,888.35 : 511,825.92 = 201,122.61 : x
  2. Step 2: Convert to fraction form
    370,888.35/511,825.92 = 201,122.61/x
  3. Step 3: Cross multiply
    370,888.35x = 511,825.92 × 201,122.61
  4. Step 4: Simplify right side
    370,888.35x = 102,939,761,331.31
  5. Step 5: Solve for x
    x = 102,939,761,331.31/370,888.35
  6. Step 6: Final answer
    x = 277,549.19

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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.