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Finding the Fourth Proportional to 646,661.64, 892,301.64 and 367,249.32

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Solution

The fourth proportional to 646,661.64, 892,301.64 and 367,249.32 is: 506,752.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,661.64 : 892,301.64 = 367,249.32 : x
  2. Step 2: Convert to fraction form
    646,661.64/892,301.64 = 367,249.32/x
  3. Step 3: Cross multiply
    646,661.64x = 892,301.64 × 367,249.32
  4. Step 4: Simplify right side
    646,661.64x = 327,697,170,524.89
  5. Step 5: Solve for x
    x = 327,697,170,524.89/646,661.64
  6. Step 6: Final answer
    x = 506,752.14

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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.