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Finding the Fourth Proportional to 3,539,360, 5,309,059.44 and 879,968

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Solution

The fourth proportional to 3,539,360, 5,309,059.44 and 879,968 is: 1,319,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,360 : 5,309,059.44 = 879,968 : x
  2. Step 2: Convert to fraction form
    3,539,360/5,309,059.44 = 879,968/x
  3. Step 3: Cross multiply
    3,539,360x = 5,309,059.44 × 879,968
  4. Step 4: Simplify right side
    3,539,360x = 4,671,802,417,297.92
  5. Step 5: Solve for x
    x = 4,671,802,417,297.92/3,539,360
  6. Step 6: Final answer
    x = 1,319,956.83

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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.