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Finding the Fourth Proportional to 476,356.48, 713,600.51 and 276,256.46

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Solution

The fourth proportional to 476,356.48, 713,600.51 and 276,256.46 is: 413,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,356.48 : 713,600.51 = 276,256.46 : x
  2. Step 2: Convert to fraction form
    476,356.48/713,600.51 = 276,256.46/x
  3. Step 3: Cross multiply
    476,356.48x = 713,600.51 × 276,256.46
  4. Step 4: Simplify right side
    476,356.48x = 197,136,751,149.51
  5. Step 5: Solve for x
    x = 197,136,751,149.51/476,356.48
  6. Step 6: Final answer
    x = 413,842.91

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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.