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Finding the Fourth Proportional to 545,046.53, 752,158.35 and 303,325.02

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Solution

The fourth proportional to 545,046.53, 752,158.35 and 303,325.02 is: 418,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,046.53 : 752,158.35 = 303,325.02 : x
  2. Step 2: Convert to fraction form
    545,046.53/752,158.35 = 303,325.02/x
  3. Step 3: Cross multiply
    545,046.53x = 752,158.35 × 303,325.02
  4. Step 4: Simplify right side
    545,046.53x = 228,148,446,556.92
  5. Step 5: Solve for x
    x = 228,148,446,556.92/545,046.53
  6. Step 6: Final answer
    x = 418,585.27

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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.