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Finding the Fourth Proportional to 1,734,631.71, 2,393,820.10 and 949,684.53

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Solution

The fourth proportional to 1,734,631.71, 2,393,820.10 and 949,684.53 is: 1,310,580.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734,631.71 : 2,393,820.10 = 949,684.53 : x
  2. Step 2: Convert to fraction form
    1,734,631.71/2,393,820.10 = 949,684.53/x
  3. Step 3: Cross multiply
    1,734,631.71x = 2,393,820.10 × 949,684.53
  4. Step 4: Simplify right side
    1,734,631.71x = 2,273,373,916,573.05
  5. Step 5: Solve for x
    x = 2,273,373,916,573.05/1,734,631.71
  6. Step 6: Final answer
    x = 1,310,580.17

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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.