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Finding the Fourth Proportional to 477,556.44, 716,180.22 and 157,636.44

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Solution

The fourth proportional to 477,556.44, 716,180.22 and 157,636.44 is: 236,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,556.44 : 716,180.22 = 157,636.44 : x
  2. Step 2: Convert to fraction form
    477,556.44/716,180.22 = 157,636.44/x
  3. Step 3: Cross multiply
    477,556.44x = 716,180.22 × 157,636.44
  4. Step 4: Simplify right side
    477,556.44x = 112,896,100,279.22
  5. Step 5: Solve for x
    x = 112,896,100,279.22/477,556.44
  6. Step 6: Final answer
    x = 236,403.68

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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.