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Finding the Fourth Proportional to 479,374.94, 661,536.65 and 264,514.84

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Solution

The fourth proportional to 479,374.94, 661,536.65 and 264,514.84 is: 365,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,374.94 : 661,536.65 = 264,514.84 : x
  2. Step 2: Convert to fraction form
    479,374.94/661,536.65 = 264,514.84/x
  3. Step 3: Cross multiply
    479,374.94x = 661,536.65 × 264,514.84
  4. Step 4: Simplify right side
    479,374.94x = 174,986,260,136.33
  5. Step 5: Solve for x
    x = 174,986,260,136.33/479,374.94
  6. Step 6: Final answer
    x = 365,030.05

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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.