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Finding the Fourth Proportional to 326,018.90, 449,492.65 and 232,995.80

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Solution

The fourth proportional to 326,018.90, 449,492.65 and 232,995.80 is: 321,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,018.90 : 449,492.65 = 232,995.80 : x
  2. Step 2: Convert to fraction form
    326,018.90/449,492.65 = 232,995.80/x
  3. Step 3: Cross multiply
    326,018.90x = 449,492.65 × 232,995.80
  4. Step 4: Simplify right side
    326,018.90x = 104,729,896,168.43
  5. Step 5: Solve for x
    x = 104,729,896,168.43/326,018.90
  6. Step 6: Final answer
    x = 321,238.73

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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.