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Finding the Fourth Proportional to 4,898,411.90, 7,340,446.65 and 4,392,971.90

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Solution

The fourth proportional to 4,898,411.90, 7,340,446.65 and 4,392,971.90 is: 6,583,026.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,898,411.90 : 7,340,446.65 = 4,392,971.90 : x
  2. Step 2: Convert to fraction form
    4,898,411.90/7,340,446.65 = 4,392,971.90/x
  3. Step 3: Cross multiply
    4,898,411.90x = 7,340,446.65 × 4,392,971.90
  4. Step 4: Simplify right side
    4,898,411.90x = 32,246,375,866,899.14
  5. Step 5: Solve for x
    x = 32,246,375,866,899.14/4,898,411.90
  6. Step 6: Final answer
    x = 6,583,026.61

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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.