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Finding the Fourth Proportional to 483,262.95, 666,903.60 and 268,397.49

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Solution

The fourth proportional to 483,262.95, 666,903.60 and 268,397.49 is: 370,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,262.95 : 666,903.60 = 268,397.49 : x
  2. Step 2: Convert to fraction form
    483,262.95/666,903.60 = 268,397.49/x
  3. Step 3: Cross multiply
    483,262.95x = 666,903.60 × 268,397.49
  4. Step 4: Simplify right side
    483,262.95x = 178,995,252,311.96
  5. Step 5: Solve for x
    x = 178,995,252,311.96/483,262.95
  6. Step 6: Final answer
    x = 370,388.94

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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.