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Finding the Fourth Proportional to 375,105.42, 562,418.16 and 162,012.24

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Solution

The fourth proportional to 375,105.42, 562,418.16 and 162,012.24 is: 242,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,105.42 : 562,418.16 = 162,012.24 : x
  2. Step 2: Convert to fraction form
    375,105.42/562,418.16 = 162,012.24/x
  3. Step 3: Cross multiply
    375,105.42x = 562,418.16 × 162,012.24
  4. Step 4: Simplify right side
    375,105.42x = 91,118,625,918.28
  5. Step 5: Solve for x
    x = 91,118,625,918.28/375,105.42
  6. Step 6: Final answer
    x = 242,914.71

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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.