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Finding the Fourth Proportional to 379,766.08, 569,644.08 and 113,528.80

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Solution

The fourth proportional to 379,766.08, 569,644.08 and 113,528.80 is: 170,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,766.08 : 569,644.08 = 113,528.80 : x
  2. Step 2: Convert to fraction form
    379,766.08/569,644.08 = 113,528.80/x
  3. Step 3: Cross multiply
    379,766.08x = 569,644.08 × 113,528.80
  4. Step 4: Simplify right side
    379,766.08x = 64,671,008,829.50
  5. Step 5: Solve for x
    x = 64,671,008,829.50/379,766.08
  6. Step 6: Final answer
    x = 170,291.69

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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.