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Finding the Fourth Proportional to 476,389.70, 713,650.33 and 276,289.82

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Solution

The fourth proportional to 476,389.70, 713,650.33 and 276,289.82 is: 413,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,389.70 : 713,650.33 = 276,289.82 : x
  2. Step 2: Convert to fraction form
    476,389.70/713,650.33 = 276,289.82/x
  3. Step 3: Cross multiply
    476,389.70x = 713,650.33 × 276,289.82
  4. Step 4: Simplify right side
    476,389.70x = 197,174,321,218.64
  5. Step 5: Solve for x
    x = 197,174,321,218.64/476,389.70
  6. Step 6: Final answer
    x = 413,892.91

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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.