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Finding the Fourth Proportional to 340,243.29, 510,364.26 and 100,525.50

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Solution

The fourth proportional to 340,243.29, 510,364.26 and 100,525.50 is: 150,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,243.29 : 510,364.26 = 100,525.50 : x
  2. Step 2: Convert to fraction form
    340,243.29/510,364.26 = 100,525.50/x
  3. Step 3: Cross multiply
    340,243.29x = 510,364.26 × 100,525.50
  4. Step 4: Simplify right side
    340,243.29x = 51,304,622,418.63
  5. Step 5: Solve for x
    x = 51,304,622,418.63/340,243.29
  6. Step 6: Final answer
    x = 150,788.05

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1.5x scale

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.