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Finding the Fourth Proportional to 569,352.21, 853,929.89 and 169,885.72

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Solution

The fourth proportional to 569,352.21, 853,929.89 and 169,885.72 is: 254,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,352.21 : 853,929.89 = 169,885.72 : x
  2. Step 2: Convert to fraction form
    569,352.21/853,929.89 = 169,885.72/x
  3. Step 3: Cross multiply
    569,352.21x = 853,929.89 × 169,885.72
  4. Step 4: Simplify right side
    569,352.21x = 145,070,495,047.23
  5. Step 5: Solve for x
    x = 145,070,495,047.23/569,352.21
  6. Step 6: Final answer
    x = 254,799.21

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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.