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Finding the Fourth Proportional to 660,597.46, 911,568.80 and 366,255.02

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Solution

The fourth proportional to 660,597.46, 911,568.80 and 366,255.02 is: 505,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,597.46 : 911,568.80 = 366,255.02 : x
  2. Step 2: Convert to fraction form
    660,597.46/911,568.80 = 366,255.02/x
  3. Step 3: Cross multiply
    660,597.46x = 911,568.80 × 366,255.02
  4. Step 4: Simplify right side
    660,597.46x = 333,866,652,269.94
  5. Step 5: Solve for x
    x = 333,866,652,269.94/660,597.46
  6. Step 6: Final answer
    x = 505,401.06

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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.