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Finding the Fourth Proportional to 554,719.69, 832,079.53 and 133,995.56

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Solution

The fourth proportional to 554,719.69, 832,079.53 and 133,995.56 is: 200,993.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,719.69 : 832,079.53 = 133,995.56 : x
  2. Step 2: Convert to fraction form
    554,719.69/832,079.53 = 133,995.56/x
  3. Step 3: Cross multiply
    554,719.69x = 832,079.53 × 133,995.56
  4. Step 4: Simplify right side
    554,719.69x = 111,494,962,586.89
  5. Step 5: Solve for x
    x = 111,494,962,586.89/554,719.69
  6. Step 6: Final answer
    x = 200,993.34

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Similar ratio
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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.