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Finding the Fourth Proportional to 433,661.60, 650,605.80 and 167,430.80

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Solution

The fourth proportional to 433,661.60, 650,605.80 and 167,430.80 is: 251,189.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,661.60 : 650,605.80 = 167,430.80 : x
  2. Step 2: Convert to fraction form
    433,661.60/650,605.80 = 167,430.80/x
  3. Step 3: Cross multiply
    433,661.60x = 650,605.80 × 167,430.80
  4. Step 4: Simplify right side
    433,661.60x = 108,931,449,578.64
  5. Step 5: Solve for x
    x = 108,931,449,578.64/433,661.60
  6. Step 6: Final answer
    x = 251,189.98

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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.