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Finding the Fourth Proportional to 313,650.52, 432,900.90 and 186,301.48

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Solution

The fourth proportional to 313,650.52, 432,900.90 and 186,301.48 is: 257,133.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,650.52 : 432,900.90 = 186,301.48 : x
  2. Step 2: Convert to fraction form
    313,650.52/432,900.90 = 186,301.48/x
  3. Step 3: Cross multiply
    313,650.52x = 432,900.90 × 186,301.48
  4. Step 4: Simplify right side
    313,650.52x = 80,650,078,363.33
  5. Step 5: Solve for x
    x = 80,650,078,363.33/313,650.52
  6. Step 6: Final answer
    x = 257,133.57

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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.