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Finding the Fourth Proportional to 3,670,509.55, 5,505,764.33 and 974,829.55

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Solution

The fourth proportional to 3,670,509.55, 5,505,764.33 and 974,829.55 is: 1,462,244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,509.55 : 5,505,764.33 = 974,829.55 : x
  2. Step 2: Convert to fraction form
    3,670,509.55/5,505,764.33 = 974,829.55/x
  3. Step 3: Cross multiply
    3,670,509.55x = 5,505,764.33 × 974,829.55
  4. Step 4: Simplify right side
    3,670,509.55x = 5,367,181,764,219.95
  5. Step 5: Solve for x
    x = 5,367,181,764,219.95/3,670,509.55
  6. Step 6: Final answer
    x = 1,462,244.33

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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.