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Finding the Fourth Proportional to 552,453.55, 762,393.77 and 326,099.05

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Solution

The fourth proportional to 552,453.55, 762,393.77 and 326,099.05 is: 450,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,453.55 : 762,393.77 = 326,099.05 : x
  2. Step 2: Convert to fraction form
    552,453.55/762,393.77 = 326,099.05/x
  3. Step 3: Cross multiply
    552,453.55x = 762,393.77 × 326,099.05
  4. Step 4: Simplify right side
    552,453.55x = 248,615,881,809.31
  5. Step 5: Solve for x
    x = 248,615,881,809.31/552,453.55
  6. Step 6: Final answer
    x = 450,021.33

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1.5x scale

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.