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Finding the Fourth Proportional to 620,706.58, 929,768.16 and 599,293.42

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Solution

The fourth proportional to 620,706.58, 929,768.16 and 599,293.42 is: 897,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,706.58 : 929,768.16 = 599,293.42 : x
  2. Step 2: Convert to fraction form
    620,706.58/929,768.16 = 599,293.42/x
  3. Step 3: Cross multiply
    620,706.58x = 929,768.16 × 599,293.42
  4. Step 4: Simplify right side
    620,706.58x = 557,203,940,413.51
  5. Step 5: Solve for x
    x = 557,203,940,413.51/620,706.58
  6. Step 6: Final answer
    x = 897,692.98

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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.