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Finding the Fourth Proportional to 800,315.90, 1,104,471.32 and 460,893.50

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Solution

The fourth proportional to 800,315.90, 1,104,471.32 and 460,893.50 is: 636,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,315.90 : 1,104,471.32 = 460,893.50 : x
  2. Step 2: Convert to fraction form
    800,315.90/1,104,471.32 = 460,893.50/x
  3. Step 3: Cross multiply
    800,315.90x = 1,104,471.32 × 460,893.50
  4. Step 4: Simplify right side
    800,315.90x = 509,043,652,324.42
  5. Step 5: Solve for x
    x = 509,043,652,324.42/800,315.90
  6. Step 6: Final answer
    x = 636,053.40

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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.