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Finding the Fourth Proportional to 6,505,298.88, 8,977,509.44 and 3,604,418.40

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Solution

The fourth proportional to 6,505,298.88, 8,977,509.44 and 3,604,418.40 is: 4,974,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505,298.88 : 8,977,509.44 = 3,604,418.40 : x
  2. Step 2: Convert to fraction form
    6,505,298.88/8,977,509.44 = 3,604,418.40/x
  3. Step 3: Cross multiply
    6,505,298.88x = 8,977,509.44 × 3,604,418.40
  4. Step 4: Simplify right side
    6,505,298.88x = 32,358,700,211,709.69
  5. Step 5: Solve for x
    x = 32,358,700,211,709.69/6,505,298.88
  6. Step 6: Final answer
    x = 4,974,206.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.