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Finding the Fourth Proportional to 379,357.62, 569,030.76 and 113,119.26

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Solution

The fourth proportional to 379,357.62, 569,030.76 and 113,119.26 is: 169,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,357.62 : 569,030.76 = 113,119.26 : x
  2. Step 2: Convert to fraction form
    379,357.62/569,030.76 = 113,119.26/x
  3. Step 3: Cross multiply
    379,357.62x = 569,030.76 × 113,119.26
  4. Step 4: Simplify right side
    379,357.62x = 64,368,338,488.44
  5. Step 5: Solve for x
    x = 64,368,338,488.44/379,357.62
  6. Step 6: Final answer
    x = 169,677.20

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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.