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Finding the Fourth Proportional to 503,442.08, 694,763.04 and 274,014.40

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Solution

The fourth proportional to 503,442.08, 694,763.04 and 274,014.40 is: 378,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,442.08 : 694,763.04 = 274,014.40 : x
  2. Step 2: Convert to fraction form
    503,442.08/694,763.04 = 274,014.40/x
  3. Step 3: Cross multiply
    503,442.08x = 694,763.04 × 274,014.40
  4. Step 4: Simplify right side
    503,442.08x = 190,375,077,547.78
  5. Step 5: Solve for x
    x = 190,375,077,547.78/503,442.08
  6. Step 6: Final answer
    x = 378,146.93

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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.