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Finding the Fourth Proportional to 965,359.80, 1,448,039.70 and 404,335.80

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Solution

The fourth proportional to 965,359.80, 1,448,039.70 and 404,335.80 is: 606,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,359.80 : 1,448,039.70 = 404,335.80 : x
  2. Step 2: Convert to fraction form
    965,359.80/1,448,039.70 = 404,335.80/x
  3. Step 3: Cross multiply
    965,359.80x = 1,448,039.70 × 404,335.80
  4. Step 4: Simplify right side
    965,359.80x = 585,494,290,531.26
  5. Step 5: Solve for x
    x = 585,494,290,531.26/965,359.80
  6. Step 6: Final answer
    x = 606,503.70

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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.