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Finding the Fourth Proportional to 504,851.64, 696,697.26 and 275,413.82

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Solution

The fourth proportional to 504,851.64, 696,697.26 and 275,413.82 is: 380,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,851.64 : 696,697.26 = 275,413.82 : x
  2. Step 2: Convert to fraction form
    504,851.64/696,697.26 = 275,413.82/x
  3. Step 3: Cross multiply
    504,851.64x = 696,697.26 × 275,413.82
  4. Step 4: Simplify right side
    504,851.64x = 191,880,053,760.13
  5. Step 5: Solve for x
    x = 191,880,053,760.13/504,851.64
  6. Step 6: Final answer
    x = 380,072.16

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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.