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Finding the Fourth Proportional to 401,873.66, 554,741.43 and 301,563.26

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Solution

The fourth proportional to 401,873.66, 554,741.43 and 301,563.26 is: 416,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,873.66 : 554,741.43 = 301,563.26 : x
  2. Step 2: Convert to fraction form
    401,873.66/554,741.43 = 301,563.26/x
  3. Step 3: Cross multiply
    401,873.66x = 554,741.43 × 301,563.26
  4. Step 4: Simplify right side
    401,873.66x = 167,289,634,087.86
  5. Step 5: Solve for x
    x = 167,289,634,087.86/401,873.66
  6. Step 6: Final answer
    x = 416,274.19

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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.