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Finding the Fourth Proportional to 555,413.58, 833,054.36 and 145,055.84

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Solution

The fourth proportional to 555,413.58, 833,054.36 and 145,055.84 is: 217,566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,413.58 : 833,054.36 = 145,055.84 : x
  2. Step 2: Convert to fraction form
    555,413.58/833,054.36 = 145,055.84/x
  3. Step 3: Cross multiply
    555,413.58x = 833,054.36 × 145,055.84
  4. Step 4: Simplify right side
    555,413.58x = 120,839,395,064.91
  5. Step 5: Solve for x
    x = 120,839,395,064.91/555,413.58
  6. Step 6: Final answer
    x = 217,566.51

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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.