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Finding the Fourth Proportional to 965,509.60, 1,448,005.20 and 404,600.80

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Solution

The fourth proportional to 965,509.60, 1,448,005.20 and 404,600.80 is: 606,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,509.60 : 1,448,005.20 = 404,600.80 : x
  2. Step 2: Convert to fraction form
    965,509.60/1,448,005.20 = 404,600.80/x
  3. Step 3: Cross multiply
    965,509.60x = 1,448,005.20 × 404,600.80
  4. Step 4: Simplify right side
    965,509.60x = 585,864,062,324.16
  5. Step 5: Solve for x
    x = 585,864,062,324.16/965,509.60
  6. Step 6: Final answer
    x = 606,792.58

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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.