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Finding the Fourth Proportional to 3,290,879.10, 4,927,461.30 and 3,290,879.10

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Solution

The fourth proportional to 3,290,879.10, 4,927,461.30 and 3,290,879.10 is: 4,927,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290,879.10 : 4,927,461.30 = 3,290,879.10 : x
  2. Step 2: Convert to fraction form
    3,290,879.10/4,927,461.30 = 3,290,879.10/x
  3. Step 3: Cross multiply
    3,290,879.10x = 4,927,461.30 × 3,290,879.10
  4. Step 4: Simplify right side
    3,290,879.10x = 16,215,679,408,228.83
  5. Step 5: Solve for x
    x = 16,215,679,408,228.83/3,290,879.10
  6. Step 6: Final answer
    x = 4,927,461.30

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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.