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Finding the Fourth Proportional to 294,792.21, 406,811.21 and 167,467.80

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Solution

The fourth proportional to 294,792.21, 406,811.21 and 167,467.80 is: 231,104.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,792.21 : 406,811.21 = 167,467.80 : x
  2. Step 2: Convert to fraction form
    294,792.21/406,811.21 = 167,467.80/x
  3. Step 3: Cross multiply
    294,792.21x = 406,811.21 × 167,467.80
  4. Step 4: Simplify right side
    294,792.21x = 68,127,779,984.25
  5. Step 5: Solve for x
    x = 68,127,779,984.25/294,792.21
  6. Step 6: Final answer
    x = 231,104.41

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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.