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Finding the Fourth Proportional to 479,345.56, 661,536.66 and 264,527.08

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Solution

The fourth proportional to 479,345.56, 661,536.66 and 264,527.08 is: 365,069.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,345.56 : 661,536.66 = 264,527.08 : x
  2. Step 2: Convert to fraction form
    479,345.56/661,536.66 = 264,527.08/x
  3. Step 3: Cross multiply
    479,345.56x = 661,536.66 × 264,527.08
  4. Step 4: Simplify right side
    479,345.56x = 174,994,360,982.75
  5. Step 5: Solve for x
    x = 174,994,360,982.75/479,345.56
  6. Step 6: Final answer
    x = 365,069.33

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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.