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Finding the Fourth Proportional to 379,521.54, 569,271.51 and 113,284.26

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Solution

The fourth proportional to 379,521.54, 569,271.51 and 113,284.26 is: 169,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,521.54 : 569,271.51 = 113,284.26 : x
  2. Step 2: Convert to fraction form
    379,521.54/569,271.51 = 113,284.26/x
  3. Step 3: Cross multiply
    379,521.54x = 569,271.51 × 113,284.26
  4. Step 4: Simplify right side
    379,521.54x = 64,489,501,749.43
  5. Step 5: Solve for x
    x = 64,489,501,749.43/379,521.54
  6. Step 6: Final answer
    x = 169,923.17

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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.