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Finding the Fourth Proportional to 622,312.18, 933,540.46 and 217,379.00

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Solution

The fourth proportional to 622,312.18, 933,540.46 and 217,379.00 is: 326,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,312.18 : 933,540.46 = 217,379.00 : x
  2. Step 2: Convert to fraction form
    622,312.18/933,540.46 = 217,379.00/x
  3. Step 3: Cross multiply
    622,312.18x = 933,540.46 × 217,379.00
  4. Step 4: Simplify right side
    622,312.18x = 202,932,093,444.74
  5. Step 5: Solve for x
    x = 202,932,093,444.74/622,312.18
  6. Step 6: Final answer
    x = 326,093.72

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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.