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Finding the Fourth Proportional to 589,816.90, 883,413.15 and 484,840.90

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Solution

The fourth proportional to 589,816.90, 883,413.15 and 484,840.90 is: 726,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,816.90 : 883,413.15 = 484,840.90 : x
  2. Step 2: Convert to fraction form
    589,816.90/883,413.15 = 484,840.90/x
  3. Step 3: Cross multiply
    589,816.90x = 883,413.15 × 484,840.90
  4. Step 4: Simplify right side
    589,816.90x = 428,314,826,717.84
  5. Step 5: Solve for x
    x = 428,314,826,717.84/589,816.90
  6. Step 6: Final answer
    x = 726,182.70

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1.5x scale

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.