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Finding the Fourth Proportional to 703,804.64, 1,055,484 and 254,466.05

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Solution

The fourth proportional to 703,804.64, 1,055,484 and 254,466.05 is: 381,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,804.64 : 1,055,484 = 254,466.05 : x
  2. Step 2: Convert to fraction form
    703,804.64/1,055,484 = 254,466.05/x
  3. Step 3: Cross multiply
    703,804.64x = 1,055,484 × 254,466.05
  4. Step 4: Simplify right side
    703,804.64x = 268,584,839,040.78
  5. Step 5: Solve for x
    x = 268,584,839,040.78/703,804.64
  6. Step 6: Final answer
    x = 381,618.46

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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.