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Finding the Fourth Proportional to 454,682.33, 682,074.54 and 371,153.51

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Solution

The fourth proportional to 454,682.33, 682,074.54 and 371,153.51 is: 556,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,682.33 : 682,074.54 = 371,153.51 : x
  2. Step 2: Convert to fraction form
    454,682.33/682,074.54 = 371,153.51/x
  3. Step 3: Cross multiply
    454,682.33x = 682,074.54 × 371,153.51
  4. Step 4: Simplify right side
    454,682.33x = 253,154,359,602.64
  5. Step 5: Solve for x
    x = 253,154,359,602.64/454,682.33
  6. Step 6: Final answer
    x = 556,771.93

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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.