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Finding the Fourth Proportional to 965,511, 1,448,337.56 and 255,534.24

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Solution

The fourth proportional to 965,511, 1,448,337.56 and 255,534.24 is: 383,320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,511 : 1,448,337.56 = 255,534.24 : x
  2. Step 2: Convert to fraction form
    965,511/1,448,337.56 = 255,534.24/x
  3. Step 3: Cross multiply
    965,511x = 1,448,337.56 × 255,534.24
  4. Step 4: Simplify right side
    965,511x = 370,099,837,658.05
  5. Step 5: Solve for x
    x = 370,099,837,658.05/965,511
  6. Step 6: Final answer
    x = 383,320.17

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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.