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Finding the Fourth Proportional to 965,498, 1,448,318.07 and 255,521.25

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Solution

The fourth proportional to 965,498, 1,448,318.07 and 255,521.25 is: 383,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,498 : 1,448,318.07 = 255,521.25 : x
  2. Step 2: Convert to fraction form
    965,498/1,448,318.07 = 255,521.25/x
  3. Step 3: Cross multiply
    965,498x = 1,448,318.07 × 255,521.25
  4. Step 4: Simplify right side
    965,498x = 370,076,043,643.99
  5. Step 5: Solve for x
    x = 370,076,043,643.99/965,498
  6. Step 6: Final answer
    x = 383,300.68

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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.