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Finding the Fourth Proportional to 303,881.40, 419,270.88 and 174,813.12

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Solution

The fourth proportional to 303,881.40, 419,270.88 and 174,813.12 is: 241,192.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,881.40 : 419,270.88 = 174,813.12 : x
  2. Step 2: Convert to fraction form
    303,881.40/419,270.88 = 174,813.12/x
  3. Step 3: Cross multiply
    303,881.40x = 419,270.88 × 174,813.12
  4. Step 4: Simplify right side
    303,881.40x = 73,294,050,657.95
  5. Step 5: Solve for x
    x = 73,294,050,657.95/303,881.40
  6. Step 6: Final answer
    x = 241,192.95

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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.