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Finding the Fourth Proportional to 5,607,317.48, 8,410,975.22 and 1,347,485.76

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Solution

The fourth proportional to 5,607,317.48, 8,410,975.22 and 1,347,485.76 is: 2,021,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607,317.48 : 8,410,975.22 = 1,347,485.76 : x
  2. Step 2: Convert to fraction form
    5,607,317.48/8,410,975.22 = 1,347,485.76/x
  3. Step 3: Cross multiply
    5,607,317.48x = 8,410,975.22 × 1,347,485.76
  4. Step 4: Simplify right side
    5,607,317.48x = 11,333,669,340,031.58
  5. Step 5: Solve for x
    x = 11,333,669,340,031.58/5,607,317.48
  6. Step 6: Final answer
    x = 2,021,228.40

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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.