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Finding the Fourth Proportional to 406,181.80, 560,652.36 and 262,951.51

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Solution

The fourth proportional to 406,181.80, 560,652.36 and 262,951.51 is: 362,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,181.80 : 560,652.36 = 262,951.51 : x
  2. Step 2: Convert to fraction form
    406,181.80/560,652.36 = 262,951.51/x
  3. Step 3: Cross multiply
    406,181.80x = 560,652.36 × 262,951.51
  4. Step 4: Simplify right side
    406,181.80x = 147,424,384,647.06
  5. Step 5: Solve for x
    x = 147,424,384,647.06/406,181.80
  6. Step 6: Final answer
    x = 362,951.72

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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.