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Finding the Fourth Proportional to 370,888.57, 511,826.22 and 201,122.83

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Solution

The fourth proportional to 370,888.57, 511,826.22 and 201,122.83 is: 277,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,888.57 : 511,826.22 = 201,122.83 : x
  2. Step 2: Convert to fraction form
    370,888.57/511,826.22 = 201,122.83/x
  3. Step 3: Cross multiply
    370,888.57x = 511,826.22 × 201,122.83
  4. Step 4: Simplify right side
    370,888.57x = 102,939,934,269.86
  5. Step 5: Solve for x
    x = 102,939,934,269.86/370,888.57
  6. Step 6: Final answer
    x = 277,549.50

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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.