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Finding the Fourth Proportional to 346,427.92, 519,223.32 and 168,668.56

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Solution

The fourth proportional to 346,427.92, 519,223.32 and 168,668.56 is: 252,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,427.92 : 519,223.32 = 168,668.56 : x
  2. Step 2: Convert to fraction form
    346,427.92/519,223.32 = 168,668.56/x
  3. Step 3: Cross multiply
    346,427.92x = 519,223.32 × 168,668.56
  4. Step 4: Simplify right side
    346,427.92x = 87,576,649,702.82
  5. Step 5: Solve for x
    x = 87,576,649,702.82/346,427.92
  6. Step 6: Final answer
    x = 252,799.05

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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.