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Finding the Fourth Proportional to 350,260, 483,358.80 and 191,284

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Solution

The fourth proportional to 350,260, 483,358.80 and 191,284 is: 263,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,260 : 483,358.80 = 191,284 : x
  2. Step 2: Convert to fraction form
    350,260/483,358.80 = 191,284/x
  3. Step 3: Cross multiply
    350,260x = 483,358.80 × 191,284
  4. Step 4: Simplify right side
    350,260x = 92,458,804,699.20
  5. Step 5: Solve for x
    x = 92,458,804,699.20/350,260
  6. Step 6: Final answer
    x = 263,971.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.