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Finding the Fourth Proportional to 481,648.35, 664,674.77 and 266,802.33

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Solution

The fourth proportional to 481,648.35, 664,674.77 and 266,802.33 is: 368,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,648.35 : 664,674.77 = 266,802.33 : x
  2. Step 2: Convert to fraction form
    481,648.35/664,674.77 = 266,802.33/x
  3. Step 3: Cross multiply
    481,648.35x = 664,674.77 × 266,802.33
  4. Step 4: Simplify right side
    481,648.35x = 177,336,772,670.83
  5. Step 5: Solve for x
    x = 177,336,772,670.83/481,648.35
  6. Step 6: Final answer
    x = 368,187.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.