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Finding the Fourth Proportional to 476,419.56, 713,695.02 and 276,319.56

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Solution

The fourth proportional to 476,419.56, 713,695.02 and 276,319.56 is: 413,937.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,419.56 : 713,695.02 = 276,319.56 : x
  2. Step 2: Convert to fraction form
    476,419.56/713,695.02 = 276,319.56/x
  3. Step 3: Cross multiply
    476,419.56x = 713,695.02 × 276,319.56
  4. Step 4: Simplify right side
    476,419.56x = 197,207,893,900.59
  5. Step 5: Solve for x
    x = 197,207,893,900.59/476,419.56
  6. Step 6: Final answer
    x = 413,937.44

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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.