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Finding the Fourth Proportional to 5,985,561.60, 8,978,342.40 and 1,497,830.40

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Solution

The fourth proportional to 5,985,561.60, 8,978,342.40 and 1,497,830.40 is: 2,246,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985,561.60 : 8,978,342.40 = 1,497,830.40 : x
  2. Step 2: Convert to fraction form
    5,985,561.60/8,978,342.40 = 1,497,830.40/x
  3. Step 3: Cross multiply
    5,985,561.60x = 8,978,342.40 × 1,497,830.40
  4. Step 4: Simplify right side
    5,985,561.60x = 13,448,034,188,328.96
  5. Step 5: Solve for x
    x = 13,448,034,188,328.96/5,985,561.60
  6. Step 6: Final answer
    x = 2,246,745.60

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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.