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Finding the Fourth Proportional to 479,526.33, 661,699.21 and 264,652.52

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Solution

The fourth proportional to 479,526.33, 661,699.21 and 264,652.52 is: 365,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,526.33 : 661,699.21 = 264,652.52 : x
  2. Step 2: Convert to fraction form
    479,526.33/661,699.21 = 264,652.52/x
  3. Step 3: Cross multiply
    479,526.33x = 661,699.21 × 264,652.52
  4. Step 4: Simplify right side
    479,526.33x = 175,120,363,408.51
  5. Step 5: Solve for x
    x = 175,120,363,408.51/479,526.33
  6. Step 6: Final answer
    x = 365,194.47

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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.