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Finding the Fourth Proportional to 479,235.24, 661,345.32 and 264,374.88

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Solution

The fourth proportional to 479,235.24, 661,345.32 and 264,374.88 is: 364,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,235.24 : 661,345.32 = 264,374.88 : x
  2. Step 2: Convert to fraction form
    479,235.24/661,345.32 = 264,374.88/x
  3. Step 3: Cross multiply
    479,235.24x = 661,345.32 × 264,374.88
  4. Step 4: Simplify right side
    479,235.24x = 174,843,089,613.56
  5. Step 5: Solve for x
    x = 174,843,089,613.56/479,235.24
  6. Step 6: Final answer
    x = 364,837.71

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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.