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Finding the Fourth Proportional to 2,985,401.64, 4,478,738.58 and 963,760.44

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Solution

The fourth proportional to 2,985,401.64, 4,478,738.58 and 963,760.44 is: 1,445,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,401.64 : 4,478,738.58 = 963,760.44 : x
  2. Step 2: Convert to fraction form
    2,985,401.64/4,478,738.58 = 963,760.44/x
  3. Step 3: Cross multiply
    2,985,401.64x = 4,478,738.58 × 963,760.44
  4. Step 4: Simplify right side
    2,985,401.64x = 4,316,431,064,505.78
  5. Step 5: Solve for x
    x = 4,316,431,064,505.78/2,985,401.64
  6. Step 6: Final answer
    x = 1,445,846.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.