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Finding the Fourth Proportional to 4,652,166.99, 6,978,583.79 and 1,240,435.71

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Solution

The fourth proportional to 4,652,166.99, 6,978,583.79 and 1,240,435.71 is: 1,860,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652,166.99 : 6,978,583.79 = 1,240,435.71 : x
  2. Step 2: Convert to fraction form
    4,652,166.99/6,978,583.79 = 1,240,435.71/x
  3. Step 3: Cross multiply
    4,652,166.99x = 6,978,583.79 × 1,240,435.71
  4. Step 4: Simplify right side
    4,652,166.99x = 8,656,484,536,792.60
  5. Step 5: Solve for x
    x = 8,656,484,536,792.60/4,652,166.99
  6. Step 6: Final answer
    x = 1,860,742.43

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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.