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Finding the Fourth Proportional to 326,511.68, 450,551.40 and 183,287.48

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Solution

The fourth proportional to 326,511.68, 450,551.40 and 183,287.48 is: 252,917.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,511.68 : 450,551.40 = 183,287.48 : x
  2. Step 2: Convert to fraction form
    326,511.68/450,551.40 = 183,287.48/x
  3. Step 3: Cross multiply
    326,511.68x = 450,551.40 × 183,287.48
  4. Step 4: Simplify right side
    326,511.68x = 82,580,430,716.47
  5. Step 5: Solve for x
    x = 82,580,430,716.47/326,511.68
  6. Step 6: Final answer
    x = 252,917.23

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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.