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Finding the Fourth Proportional to 331,525.81, 497,636.50 and 293,816.31

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Solution

The fourth proportional to 331,525.81, 497,636.50 and 293,816.31 is: 441,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,525.81 : 497,636.50 = 293,816.31 : x
  2. Step 2: Convert to fraction form
    331,525.81/497,636.50 = 293,816.31/x
  3. Step 3: Cross multiply
    331,525.81x = 497,636.50 × 293,816.31
  4. Step 4: Simplify right side
    331,525.81x = 146,213,718,927.90
  5. Step 5: Solve for x
    x = 146,213,718,927.90/331,525.81
  6. Step 6: Final answer
    x = 441,032.69

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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.