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Finding the Fourth Proportional to 343,880.64, 474,555.52 and 192,977.60

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Solution

The fourth proportional to 343,880.64, 474,555.52 and 192,977.60 is: 266,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,880.64 : 474,555.52 = 192,977.60 : x
  2. Step 2: Convert to fraction form
    343,880.64/474,555.52 = 192,977.60/x
  3. Step 3: Cross multiply
    343,880.64x = 474,555.52 × 192,977.60
  4. Step 4: Simplify right side
    343,880.64x = 91,578,585,316.35
  5. Step 5: Solve for x
    x = 91,578,585,316.35/343,880.64
  6. Step 6: Final answer
    x = 266,309.22

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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.