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Finding the Fourth Proportional to 479,348.59, 661,514.90 and 264,502.49

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Solution

The fourth proportional to 479,348.59, 661,514.90 and 264,502.49 is: 365,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,348.59 : 661,514.90 = 264,502.49 : x
  2. Step 2: Convert to fraction form
    479,348.59/661,514.90 = 264,502.49/x
  3. Step 3: Cross multiply
    479,348.59x = 661,514.90 × 264,502.49
  4. Step 4: Simplify right side
    479,348.59x = 174,972,338,222.10
  5. Step 5: Solve for x
    x = 174,972,338,222.10/479,348.59
  6. Step 6: Final answer
    x = 365,021.08

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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.