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Finding the Fourth Proportional to 965,363.20, 1,448,563.20 and 404,454.40

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Solution

The fourth proportional to 965,363.20, 1,448,563.20 and 404,454.40 is: 606,898.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,363.20 : 1,448,563.20 = 404,454.40 : x
  2. Step 2: Convert to fraction form
    965,363.20/1,448,563.20 = 404,454.40/x
  3. Step 3: Cross multiply
    965,363.20x = 1,448,563.20 × 404,454.40
  4. Step 4: Simplify right side
    965,363.20x = 585,877,759,918.08
  5. Step 5: Solve for x
    x = 585,877,759,918.08/965,363.20
  6. Step 6: Final answer
    x = 606,898.79

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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.