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Finding the Fourth Proportional to 558,933, 838,413.26 and 203,946.95

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Solution

The fourth proportional to 558,933, 838,413.26 and 203,946.95 is: 305,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,933 : 838,413.26 = 203,946.95 : x
  2. Step 2: Convert to fraction form
    558,933/838,413.26 = 203,946.95/x
  3. Step 3: Cross multiply
    558,933x = 838,413.26 × 203,946.95
  4. Step 4: Simplify right side
    558,933x = 170,991,827,216.56
  5. Step 5: Solve for x
    x = 170,991,827,216.56/558,933
  6. Step 6: Final answer
    x = 305,925.45

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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.