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Finding the Fourth Proportional to 326,851.76, 450,663 and 236,062.64

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Solution

The fourth proportional to 326,851.76, 450,663 and 236,062.64 is: 325,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,851.76 : 450,663 = 236,062.64 : x
  2. Step 2: Convert to fraction form
    326,851.76/450,663 = 236,062.64/x
  3. Step 3: Cross multiply
    326,851.76x = 450,663 × 236,062.64
  4. Step 4: Simplify right side
    326,851.76x = 106,384,697,530.32
  5. Step 5: Solve for x
    x = 106,384,697,530.32/326,851.76
  6. Step 6: Final answer
    x = 325,483.02

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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.