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Finding the Fourth Proportional to 476,023.52, 656,373.84 and 303,710.96

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Solution

The fourth proportional to 476,023.52, 656,373.84 and 303,710.96 is: 418,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,023.52 : 656,373.84 = 303,710.96 : x
  2. Step 2: Convert to fraction form
    476,023.52/656,373.84 = 303,710.96/x
  3. Step 3: Cross multiply
    476,023.52x = 656,373.84 × 303,710.96
  4. Step 4: Simplify right side
    476,023.52x = 199,347,929,065.29
  5. Step 5: Solve for x
    x = 199,347,929,065.29/476,023.52
  6. Step 6: Final answer
    x = 418,777.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.