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Finding the Fourth Proportional to 965,652, 1,448,533.35 and 255,661.59

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Solution

The fourth proportional to 965,652, 1,448,533.35 and 255,661.59 is: 383,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,652 : 1,448,533.35 = 255,661.59 : x
  2. Step 2: Convert to fraction form
    965,652/1,448,533.35 = 255,661.59/x
  3. Step 3: Cross multiply
    965,652x = 1,448,533.35 × 255,661.59
  4. Step 4: Simplify right side
    965,652x = 370,334,339,429.03
  5. Step 5: Solve for x
    x = 370,334,339,429.03/965,652
  6. Step 6: Final answer
    x = 383,507.04

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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.