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Finding the Fourth Proportional to 326,758.72, 450,918.48 and 183,511.84

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Solution

The fourth proportional to 326,758.72, 450,918.48 and 183,511.84 is: 253,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,758.72 : 450,918.48 = 183,511.84 : x
  2. Step 2: Convert to fraction form
    326,758.72/450,918.48 = 183,511.84/x
  3. Step 3: Cross multiply
    326,758.72x = 450,918.48 × 183,511.84
  4. Step 4: Simplify right side
    326,758.72x = 82,748,879,954.80
  5. Step 5: Solve for x
    x = 82,748,879,954.80/326,758.72
  6. Step 6: Final answer
    x = 253,241.54

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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.