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Finding the Fourth Proportional to 311,243.59, 466,881.94 and 98,028.18

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Solution

The fourth proportional to 311,243.59, 466,881.94 and 98,028.18 is: 147,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,243.59 : 466,881.94 = 98,028.18 : x
  2. Step 2: Convert to fraction form
    311,243.59/466,881.94 = 98,028.18/x
  3. Step 3: Cross multiply
    311,243.59x = 466,881.94 × 98,028.18
  4. Step 4: Simplify right side
    311,243.59x = 45,767,586,853.07
  5. Step 5: Solve for x
    x = 45,767,586,853.07/311,243.59
  6. Step 6: Final answer
    x = 147,047.48

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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.