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Finding the Fourth Proportional to 404,733.16, 606,993.92 and 120,347.12

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Solution

The fourth proportional to 404,733.16, 606,993.92 and 120,347.12 is: 180,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,733.16 : 606,993.92 = 120,347.12 : x
  2. Step 2: Convert to fraction form
    404,733.16/606,993.92 = 120,347.12/x
  3. Step 3: Cross multiply
    404,733.16x = 606,993.92 × 120,347.12
  4. Step 4: Simplify right side
    404,733.16x = 73,049,970,129.51
  5. Step 5: Solve for x
    x = 73,049,970,129.51/404,733.16
  6. Step 6: Final answer
    x = 180,489.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.