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Finding the Fourth Proportional to 3,867,354.02, 5,800,577.76 and 1,308,561.32

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Solution

The fourth proportional to 3,867,354.02, 5,800,577.76 and 1,308,561.32 is: 1,962,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,354.02 : 5,800,577.76 = 1,308,561.32 : x
  2. Step 2: Convert to fraction form
    3,867,354.02/5,800,577.76 = 1,308,561.32/x
  3. Step 3: Cross multiply
    3,867,354.02x = 5,800,577.76 × 1,308,561.32
  4. Step 4: Simplify right side
    3,867,354.02x = 7,590,411,690,388.24
  5. Step 5: Solve for x
    x = 7,590,411,690,388.24/3,867,354.02
  6. Step 6: Final answer
    x = 1,962,688.61

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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.