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Finding the Fourth Proportional to 2,913,274.54, 4,370,108.64 and 1,397,289.88

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Solution

The fourth proportional to 2,913,274.54, 4,370,108.64 and 1,397,289.88 is: 2,096,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,274.54 : 4,370,108.64 = 1,397,289.88 : x
  2. Step 2: Convert to fraction form
    2,913,274.54/4,370,108.64 = 1,397,289.88/x
  3. Step 3: Cross multiply
    2,913,274.54x = 4,370,108.64 × 1,397,289.88
  4. Step 4: Simplify right side
    2,913,274.54x = 6,106,308,577,172.56
  5. Step 5: Solve for x
    x = 6,106,308,577,172.56/2,913,274.54
  6. Step 6: Final answer
    x = 2,096,029.23

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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.