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Finding the Fourth Proportional to 4,968,593.78, 7,453,245.02 and 1,325,303.28

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Solution

The fourth proportional to 4,968,593.78, 7,453,245.02 and 1,325,303.28 is: 1,988,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968,593.78 : 7,453,245.02 = 1,325,303.28 : x
  2. Step 2: Convert to fraction form
    4,968,593.78/7,453,245.02 = 1,325,303.28/x
  3. Step 3: Cross multiply
    4,968,593.78x = 7,453,245.02 × 1,325,303.28
  4. Step 4: Simplify right side
    4,968,593.78x = 9,877,810,071,649.67
  5. Step 5: Solve for x
    x = 9,877,810,071,649.67/4,968,593.78
  6. Step 6: Final answer
    x = 1,988,049.44

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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.