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Finding the Fourth Proportional to 304,313.40, 426,738.60 and 304,313.40

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Solution

The fourth proportional to 304,313.40, 426,738.60 and 304,313.40 is: 426,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,313.40 : 426,738.60 = 304,313.40 : x
  2. Step 2: Convert to fraction form
    304,313.40/426,738.60 = 304,313.40/x
  3. Step 3: Cross multiply
    304,313.40x = 426,738.60 × 304,313.40
  4. Step 4: Simplify right side
    304,313.40x = 129,862,274,277.24
  5. Step 5: Solve for x
    x = 129,862,274,277.24/304,313.40
  6. Step 6: Final answer
    x = 426,738.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.