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Finding the Fourth Proportional to 483,063.82, 666,658.25 and 279,152.19

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Solution

The fourth proportional to 483,063.82, 666,658.25 and 279,152.19 is: 385,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,063.82 : 666,658.25 = 279,152.19 : x
  2. Step 2: Convert to fraction form
    483,063.82/666,658.25 = 279,152.19/x
  3. Step 3: Cross multiply
    483,063.82x = 666,658.25 × 279,152.19
  4. Step 4: Simplify right side
    483,063.82x = 186,099,110,120.13
  5. Step 5: Solve for x
    x = 186,099,110,120.13/483,063.82
  6. Step 6: Final answer
    x = 385,247.46

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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.