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Finding the Fourth Proportional to 1,321,732.37, 1,983,484.35 and 848,749.88

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Solution

The fourth proportional to 1,321,732.37, 1,983,484.35 and 848,749.88 is: 1,273,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,732.37 : 1,983,484.35 = 848,749.88 : x
  2. Step 2: Convert to fraction form
    1,321,732.37/1,983,484.35 = 848,749.88/x
  3. Step 3: Cross multiply
    1,321,732.37x = 1,983,484.35 × 848,749.88
  4. Step 4: Simplify right side
    1,321,732.37x = 1,683,482,094,126.96
  5. Step 5: Solve for x
    x = 1,683,482,094,126.96/1,321,732.37
  6. Step 6: Final answer
    x = 1,273,693.63

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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.