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Finding the Fourth Proportional to 737,706.64, 1,016,811.48 and 522,570.64

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Solution

The fourth proportional to 737,706.64, 1,016,811.48 and 522,570.64 is: 720,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,706.64 : 1,016,811.48 = 522,570.64 : x
  2. Step 2: Convert to fraction form
    737,706.64/1,016,811.48 = 522,570.64/x
  3. Step 3: Cross multiply
    737,706.64x = 1,016,811.48 × 522,570.64
  4. Step 4: Simplify right side
    737,706.64x = 531,355,825,862.95
  5. Step 5: Solve for x
    x = 531,355,825,862.95/737,706.64
  6. Step 6: Final answer
    x = 720,280.66

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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.