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Finding the Fourth Proportional to 313,516.08, 432,357.48 and 241,782.48

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Solution

The fourth proportional to 313,516.08, 432,357.48 and 241,782.48 is: 333,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,516.08 : 432,357.48 = 241,782.48 : x
  2. Step 2: Convert to fraction form
    313,516.08/432,357.48 = 241,782.48/x
  3. Step 3: Cross multiply
    313,516.08x = 432,357.48 × 241,782.48
  4. Step 4: Simplify right side
    313,516.08x = 104,536,463,760.95
  5. Step 5: Solve for x
    x = 104,536,463,760.95/313,516.08
  6. Step 6: Final answer
    x = 333,432.54

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1.5x scale

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.