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Finding the Fourth Proportional to 365,804.32, 504,775.76 and 218,599.97

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Solution

The fourth proportional to 365,804.32, 504,775.76 and 218,599.97 is: 301,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,804.32 : 504,775.76 = 218,599.97 : x
  2. Step 2: Convert to fraction form
    365,804.32/504,775.76 = 218,599.97/x
  3. Step 3: Cross multiply
    365,804.32x = 504,775.76 × 218,599.97
  4. Step 4: Simplify right side
    365,804.32x = 110,343,967,524.80
  5. Step 5: Solve for x
    x = 110,343,967,524.80/365,804.32
  6. Step 6: Final answer
    x = 301,647.52

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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.