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Finding the Fourth Proportional to 385,777.91, 532,381.41 and 230,889.33

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Solution

The fourth proportional to 385,777.91, 532,381.41 and 230,889.33 is: 318,632.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,777.91 : 532,381.41 = 230,889.33 : x
  2. Step 2: Convert to fraction form
    385,777.91/532,381.41 = 230,889.33/x
  3. Step 3: Cross multiply
    385,777.91x = 532,381.41 × 230,889.33
  4. Step 4: Simplify right side
    385,777.91x = 122,921,187,059.36
  5. Step 5: Solve for x
    x = 122,921,187,059.36/385,777.91
  6. Step 6: Final answer
    x = 318,632.00

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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.