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Finding the Fourth Proportional to 4,792,798.78, 7,189,261.74 and 1,597,925.97

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Solution

The fourth proportional to 4,792,798.78, 7,189,261.74 and 1,597,925.97 is: 2,396,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792,798.78 : 7,189,261.74 = 1,597,925.97 : x
  2. Step 2: Convert to fraction form
    4,792,798.78/7,189,261.74 = 1,597,925.97/x
  3. Step 3: Cross multiply
    4,792,798.78x = 7,189,261.74 × 1,597,925.97
  4. Step 4: Simplify right side
    4,792,798.78x = 11,487,908,039,473.39
  5. Step 5: Solve for x
    x = 11,487,908,039,473.39/4,792,798.78
  6. Step 6: Final answer
    x = 2,396,910.15

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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.