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Finding the Fourth Proportional to 479,612.16, 661,864.91 and 264,752.37

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Solution

The fourth proportional to 479,612.16, 661,864.91 and 264,752.37 is: 365,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,612.16 : 661,864.91 = 264,752.37 : x
  2. Step 2: Convert to fraction form
    479,612.16/661,864.91 = 264,752.37/x
  3. Step 3: Cross multiply
    479,612.16x = 661,864.91 × 264,752.37
  4. Step 4: Simplify right side
    479,612.16x = 175,230,302,218.58
  5. Step 5: Solve for x
    x = 175,230,302,218.58/479,612.16
  6. Step 6: Final answer
    x = 365,358.34

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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.