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Finding the Fourth Proportional to 552,451.86, 762,391.44 and 326,097.36

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Solution

The fourth proportional to 552,451.86, 762,391.44 and 326,097.36 is: 450,019.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,451.86 : 762,391.44 = 326,097.36 : x
  2. Step 2: Convert to fraction form
    552,451.86/762,391.44 = 326,097.36/x
  3. Step 3: Cross multiply
    552,451.86x = 762,391.44 × 326,097.36
  4. Step 4: Simplify right side
    552,451.86x = 248,613,835,870.60
  5. Step 5: Solve for x
    x = 248,613,835,870.60/552,451.86
  6. Step 6: Final answer
    x = 450,019.00

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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.