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Finding the Fourth Proportional to 511,800.18, 767,798.67 and 196,232.48

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Solution

The fourth proportional to 511,800.18, 767,798.67 and 196,232.48 is: 294,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,800.18 : 767,798.67 = 196,232.48 : x
  2. Step 2: Convert to fraction form
    511,800.18/767,798.67 = 196,232.48/x
  3. Step 3: Cross multiply
    511,800.18x = 767,798.67 × 196,232.48
  4. Step 4: Simplify right side
    511,800.18x = 150,667,033,315.81
  5. Step 5: Solve for x
    x = 150,667,033,315.81/511,800.18
  6. Step 6: Final answer
    x = 294,386.44

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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.