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Finding the Fourth Proportional to 965,446.20, 1,448,687.70 and 404,537.40

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Solution

The fourth proportional to 965,446.20, 1,448,687.70 and 404,537.40 is: 607,023.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,446.20 : 1,448,687.70 = 404,537.40 : x
  2. Step 2: Convert to fraction form
    965,446.20/1,448,687.70 = 404,537.40/x
  3. Step 3: Cross multiply
    965,446.20x = 1,448,687.70 × 404,537.40
  4. Step 4: Simplify right side
    965,446.20x = 586,048,355,569.98
  5. Step 5: Solve for x
    x = 586,048,355,569.98/965,446.20
  6. Step 6: Final answer
    x = 607,023.32

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1.5x scale

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.