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Finding the Fourth Proportional to 326,163.83, 450,109.74 and 180,972.24

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Solution

The fourth proportional to 326,163.83, 450,109.74 and 180,972.24 is: 249,743.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,163.83 : 450,109.74 = 180,972.24 : x
  2. Step 2: Convert to fraction form
    326,163.83/450,109.74 = 180,972.24/x
  3. Step 3: Cross multiply
    326,163.83x = 450,109.74 × 180,972.24
  4. Step 4: Simplify right side
    326,163.83x = 81,457,368,398.25
  5. Step 5: Solve for x
    x = 81,457,368,398.25/326,163.83
  6. Step 6: Final answer
    x = 249,743.72

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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.