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Finding the Fourth Proportional to 622,650.30, 859,002.48 and 459,696.66

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Solution

The fourth proportional to 622,650.30, 859,002.48 and 459,696.66 is: 634,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,650.30 : 859,002.48 = 459,696.66 : x
  2. Step 2: Convert to fraction form
    622,650.30/859,002.48 = 459,696.66/x
  3. Step 3: Cross multiply
    622,650.30x = 859,002.48 × 459,696.66
  4. Step 4: Simplify right side
    622,650.30x = 394,880,570,987.72
  5. Step 5: Solve for x
    x = 394,880,570,987.72/622,650.30
  6. Step 6: Final answer
    x = 634,193.18

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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.