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Finding the Fourth Proportional to 6,242,405.60, 9,361,664.40 and 2,457,048.80

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Solution

The fourth proportional to 6,242,405.60, 9,361,664.40 and 2,457,048.80 is: 3,684,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242,405.60 : 9,361,664.40 = 2,457,048.80 : x
  2. Step 2: Convert to fraction form
    6,242,405.60/9,361,664.40 = 2,457,048.80/x
  3. Step 3: Cross multiply
    6,242,405.60x = 9,361,664.40 × 2,457,048.80
  4. Step 4: Simplify right side
    6,242,405.60x = 23,002,066,280,022.72
  5. Step 5: Solve for x
    x = 23,002,066,280,022.72/6,242,405.60
  6. Step 6: Final answer
    x = 3,684,808.03

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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.