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Finding the Fourth Proportional to 4,738,393.64, 7,108,476.38 and 1,898,727.20

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Solution

The fourth proportional to 4,738,393.64, 7,108,476.38 and 1,898,727.20 is: 2,848,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738,393.64 : 7,108,476.38 = 1,898,727.20 : x
  2. Step 2: Convert to fraction form
    4,738,393.64/7,108,476.38 = 1,898,727.20/x
  3. Step 3: Cross multiply
    4,738,393.64x = 7,108,476.38 × 1,898,727.20
  4. Step 4: Simplify right side
    4,738,393.64x = 13,497,057,453,263.54
  5. Step 5: Solve for x
    x = 13,497,057,453,263.54/4,738,393.64
  6. Step 6: Final answer
    x = 2,848,445.80

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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.