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Finding the Fourth Proportional to 4,498,647.40, 6,207,978.98 and 2,565,530.60

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Solution

The fourth proportional to 4,498,647.40, 6,207,978.98 and 2,565,530.60 is: 3,540,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,498,647.40 : 6,207,978.98 = 2,565,530.60 : x
  2. Step 2: Convert to fraction form
    4,498,647.40/6,207,978.98 = 2,565,530.60/x
  3. Step 3: Cross multiply
    4,498,647.40x = 6,207,978.98 × 2,565,530.60
  4. Step 4: Simplify right side
    4,498,647.40x = 15,926,760,037,346.79
  5. Step 5: Solve for x
    x = 15,926,760,037,346.79/4,498,647.40
  6. Step 6: Final answer
    x = 3,540,344.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.