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Finding the Fourth Proportional to 548,594.94, 757,025.46 and 306,835.68

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Solution

The fourth proportional to 548,594.94, 757,025.46 and 306,835.68 is: 423,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,594.94 : 757,025.46 = 306,835.68 : x
  2. Step 2: Convert to fraction form
    548,594.94/757,025.46 = 306,835.68/x
  3. Step 3: Cross multiply
    548,594.94x = 757,025.46 × 306,835.68
  4. Step 4: Simplify right side
    548,594.94x = 232,282,421,796.41
  5. Step 5: Solve for x
    x = 232,282,421,796.41/548,594.94
  6. Step 6: Final answer
    x = 423,413.35

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1.5x scale

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.