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Finding the Fourth Proportional to 4,494,807.09, 6,742,272.83 and 1,462,188.78

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Solution

The fourth proportional to 4,494,807.09, 6,742,272.83 and 1,462,188.78 is: 2,193,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,494,807.09 : 6,742,272.83 = 1,462,188.78 : x
  2. Step 2: Convert to fraction form
    4,494,807.09/6,742,272.83 = 1,462,188.78/x
  3. Step 3: Cross multiply
    4,494,807.09x = 6,742,272.83 × 1,462,188.78
  4. Step 4: Simplify right side
    4,494,807.09x = 9,858,475,676,413.90
  5. Step 5: Solve for x
    x = 9,858,475,676,413.90/4,494,807.09
  6. Step 6: Final answer
    x = 2,193,303.40

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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.