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Finding the Fourth Proportional to 483,858.08, 667,686.32 and 268,985.06

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Solution

The fourth proportional to 483,858.08, 667,686.32 and 268,985.06 is: 371,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,858.08 : 667,686.32 = 268,985.06 : x
  2. Step 2: Convert to fraction form
    483,858.08/667,686.32 = 268,985.06/x
  3. Step 3: Cross multiply
    483,858.08x = 667,686.32 × 268,985.06
  4. Step 4: Simplify right side
    483,858.08x = 179,597,644,846.38
  5. Step 5: Solve for x
    x = 179,597,644,846.38/483,858.08
  6. Step 6: Final answer
    x = 371,178.35

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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.