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Finding the Fourth Proportional to 303,034.50, 418,200.57 and 168,898.50

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Solution

The fourth proportional to 303,034.50, 418,200.57 and 168,898.50 is: 233,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,034.50 : 418,200.57 = 168,898.50 : x
  2. Step 2: Convert to fraction form
    303,034.50/418,200.57 = 168,898.50/x
  3. Step 3: Cross multiply
    303,034.50x = 418,200.57 × 168,898.50
  4. Step 4: Simplify right side
    303,034.50x = 70,633,448,972.15
  5. Step 5: Solve for x
    x = 70,633,448,972.15/303,034.50
  6. Step 6: Final answer
    x = 233,087.15

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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.