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Finding the Fourth Proportional to 552,453.36, 762,393.51 and 326,098.86

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Solution

The fourth proportional to 552,453.36, 762,393.51 and 326,098.86 is: 450,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,453.36 : 762,393.51 = 326,098.86 : x
  2. Step 2: Convert to fraction form
    552,453.36/762,393.51 = 326,098.86/x
  3. Step 3: Cross multiply
    552,453.36x = 762,393.51 × 326,098.86
  4. Step 4: Simplify right side
    552,453.36x = 248,615,654,482.40
  5. Step 5: Solve for x
    x = 248,615,654,482.40/552,453.36
  6. Step 6: Final answer
    x = 450,021.07

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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.