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Finding the Fourth Proportional to 312,060.49, 467,809.76 and 112,240.42

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Solution

The fourth proportional to 312,060.49, 467,809.76 and 112,240.42 is: 168,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,060.49 : 467,809.76 = 112,240.42 : x
  2. Step 2: Convert to fraction form
    312,060.49/467,809.76 = 112,240.42/x
  3. Step 3: Cross multiply
    312,060.49x = 467,809.76 × 112,240.42
  4. Step 4: Simplify right side
    312,060.49x = 52,507,163,942.50
  5. Step 5: Solve for x
    x = 52,507,163,942.50/312,060.49
  6. Step 6: Final answer
    x = 168,259.57

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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.