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Finding the Fourth Proportional to 545,883.17, 753,308.73 and 304,160.54

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Solution

The fourth proportional to 545,883.17, 753,308.73 and 304,160.54 is: 419,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,883.17 : 753,308.73 = 304,160.54 : x
  2. Step 2: Convert to fraction form
    545,883.17/753,308.73 = 304,160.54/x
  3. Step 3: Cross multiply
    545,883.17x = 753,308.73 × 304,160.54
  4. Step 4: Simplify right side
    545,883.17x = 229,126,786,336.97
  5. Step 5: Solve for x
    x = 229,126,786,336.97/545,883.17
  6. Step 6: Final answer
    x = 419,735.95

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1.5x scale

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.