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Finding the Fourth Proportional to 303,679.24, 419,070.18 and 167,710.48

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Solution

The fourth proportional to 303,679.24, 419,070.18 and 167,710.48 is: 231,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,679.24 : 419,070.18 = 167,710.48 : x
  2. Step 2: Convert to fraction form
    303,679.24/419,070.18 = 167,710.48/x
  3. Step 3: Cross multiply
    303,679.24x = 419,070.18 × 167,710.48
  4. Step 4: Simplify right side
    303,679.24x = 70,282,461,041.49
  5. Step 5: Solve for x
    x = 70,282,461,041.49/303,679.24
  6. Step 6: Final answer
    x = 231,436.50

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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.