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Finding the Fourth Proportional to 594,990.27, 821,003.94 and 349,986.15

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Solution

The fourth proportional to 594,990.27, 821,003.94 and 349,986.15 is: 482,932.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,990.27 : 821,003.94 = 349,986.15 : x
  2. Step 2: Convert to fraction form
    594,990.27/821,003.94 = 349,986.15/x
  3. Step 3: Cross multiply
    594,990.27x = 821,003.94 × 349,986.15
  4. Step 4: Simplify right side
    594,990.27x = 287,340,008,095.43
  5. Step 5: Solve for x
    x = 287,340,008,095.43/594,990.27
  6. Step 6: Final answer
    x = 482,932.28

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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.