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Finding the Fourth Proportional to 4,795,713.72, 7,193,403.90 and 1,201,511.16

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Solution

The fourth proportional to 4,795,713.72, 7,193,403.90 and 1,201,511.16 is: 1,802,224.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795,713.72 : 7,193,403.90 = 1,201,511.16 : x
  2. Step 2: Convert to fraction form
    4,795,713.72/7,193,403.90 = 1,201,511.16/x
  3. Step 3: Cross multiply
    4,795,713.72x = 7,193,403.90 × 1,201,511.16
  4. Step 4: Simplify right side
    4,795,713.72x = 8,642,955,064,237.52
  5. Step 5: Solve for x
    x = 8,642,955,064,237.52/4,795,713.72
  6. Step 6: Final answer
    x = 1,802,224.98

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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.