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Finding the Fourth Proportional to 800,358.80, 1,104,590.40 and 460,893.20

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Solution

The fourth proportional to 800,358.80, 1,104,590.40 and 460,893.20 is: 636,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,358.80 : 1,104,590.40 = 460,893.20 : x
  2. Step 2: Convert to fraction form
    800,358.80/1,104,590.40 = 460,893.20/x
  3. Step 3: Cross multiply
    800,358.80x = 1,104,590.40 × 460,893.20
  4. Step 4: Simplify right side
    800,358.80x = 509,098,204,145.28
  5. Step 5: Solve for x
    x = 509,098,204,145.28/800,358.80
  6. Step 6: Final answer
    x = 636,087.47

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1.5x scale

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.