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Finding the Fourth Proportional to 483,484.36, 666,515.50 and 339,798.46

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Solution

The fourth proportional to 483,484.36, 666,515.50 and 339,798.46 is: 468,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,484.36 : 666,515.50 = 339,798.46 : x
  2. Step 2: Convert to fraction form
    483,484.36/666,515.50 = 339,798.46/x
  3. Step 3: Cross multiply
    483,484.36x = 666,515.50 × 339,798.46
  4. Step 4: Simplify right side
    483,484.36x = 226,480,940,466.13
  5. Step 5: Solve for x
    x = 226,480,940,466.13/483,484.36
  6. Step 6: Final answer
    x = 468,434.88

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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.