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Finding the Fourth Proportional to 908,745.01, 1,363,362.95 and 277,641.61

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Solution

The fourth proportional to 908,745.01, 1,363,362.95 and 277,641.61 is: 416,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,745.01 : 1,363,362.95 = 277,641.61 : x
  2. Step 2: Convert to fraction form
    908,745.01/1,363,362.95 = 277,641.61/x
  3. Step 3: Cross multiply
    908,745.01x = 1,363,362.95 × 277,641.61
  4. Step 4: Simplify right side
    908,745.01x = 378,526,281,738.05
  5. Step 5: Solve for x
    x = 378,526,281,738.05/908,745.01
  6. Step 6: Final answer
    x = 416,537.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.