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Finding the Fourth Proportional to 3,903,648.02, 5,855,701.62 and 1,507,505.22

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Solution

The fourth proportional to 3,903,648.02, 5,855,701.62 and 1,507,505.22 is: 2,261,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,648.02 : 5,855,701.62 = 1,507,505.22 : x
  2. Step 2: Convert to fraction form
    3,903,648.02/5,855,701.62 = 1,507,505.22/x
  3. Step 3: Cross multiply
    3,903,648.02x = 5,855,701.62 × 1,507,505.22
  4. Step 4: Simplify right side
    3,903,648.02x = 8,827,500,758,912.46
  5. Step 5: Solve for x
    x = 8,827,500,758,912.46/3,903,648.02
  6. Step 6: Final answer
    x = 2,261,346.49

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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.