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Finding the Fourth Proportional to 311,513.40, 467,097.30 and 124,313.40

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Solution

The fourth proportional to 311,513.40, 467,097.30 and 124,313.40 is: 186,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,513.40 : 467,097.30 = 124,313.40 : x
  2. Step 2: Convert to fraction form
    311,513.40/467,097.30 = 124,313.40/x
  3. Step 3: Cross multiply
    311,513.40x = 467,097.30 × 124,313.40
  4. Step 4: Simplify right side
    311,513.40x = 58,066,453,493.82
  5. Step 5: Solve for x
    x = 58,066,453,493.82/311,513.40
  6. Step 6: Final answer
    x = 186,401.14

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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.