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Finding the Fourth Proportional to 3,885,339.84, 5,827,561.44 and 1,045,228.80

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Solution

The fourth proportional to 3,885,339.84, 5,827,561.44 and 1,045,228.80 is: 1,567,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,339.84 : 5,827,561.44 = 1,045,228.80 : x
  2. Step 2: Convert to fraction form
    3,885,339.84/5,827,561.44 = 1,045,228.80/x
  3. Step 3: Cross multiply
    3,885,339.84x = 5,827,561.44 × 1,045,228.80
  4. Step 4: Simplify right side
    3,885,339.84x = 6,091,135,050,857.47
  5. Step 5: Solve for x
    x = 6,091,135,050,857.47/3,885,339.84
  6. Step 6: Final answer
    x = 1,567,722.59

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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.