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Finding the Fourth Proportional to 965,855.86, 1,448,841.65 and 255,881.86

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Solution

The fourth proportional to 965,855.86, 1,448,841.65 and 255,881.86 is: 383,838.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,855.86 : 1,448,841.65 = 255,881.86 : x
  2. Step 2: Convert to fraction form
    965,855.86/1,448,841.65 = 255,881.86/x
  3. Step 3: Cross multiply
    965,855.86x = 1,448,841.65 × 255,881.86
  4. Step 4: Simplify right side
    965,855.86x = 370,732,296,247.47
  5. Step 5: Solve for x
    x = 370,732,296,247.47/965,855.86
  6. Step 6: Final answer
    x = 383,838.12

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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.