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Finding the Fourth Proportional to 354,928.60, 532,781.70 and 197,464.60

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Solution

The fourth proportional to 354,928.60, 532,781.70 and 197,464.60 is: 296,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,928.60 : 532,781.70 = 197,464.60 : x
  2. Step 2: Convert to fraction form
    354,928.60/532,781.70 = 197,464.60/x
  3. Step 3: Cross multiply
    354,928.60x = 532,781.70 × 197,464.60
  4. Step 4: Simplify right side
    354,928.60x = 105,205,525,277.82
  5. Step 5: Solve for x
    x = 105,205,525,277.82/354,928.60
  6. Step 6: Final answer
    x = 296,413.21

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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.