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Finding the Fourth Proportional to 356,170.23, 534,409.74 and 196,050.51

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Solution

The fourth proportional to 356,170.23, 534,409.74 and 196,050.51 is: 294,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,170.23 : 534,409.74 = 196,050.51 : x
  2. Step 2: Convert to fraction form
    356,170.23/534,409.74 = 196,050.51/x
  3. Step 3: Cross multiply
    356,170.23x = 534,409.74 × 196,050.51
  4. Step 4: Simplify right side
    356,170.23x = 104,771,302,075.97
  5. Step 5: Solve for x
    x = 104,771,302,075.97/356,170.23
  6. Step 6: Final answer
    x = 294,160.75

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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.