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Finding the Fourth Proportional to 654,663.16, 903,426.46 and 368,183.24

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Solution

The fourth proportional to 654,663.16, 903,426.46 and 368,183.24 is: 508,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,663.16 : 903,426.46 = 368,183.24 : x
  2. Step 2: Convert to fraction form
    654,663.16/903,426.46 = 368,183.24/x
  3. Step 3: Cross multiply
    654,663.16x = 903,426.46 × 368,183.24
  4. Step 4: Simplify right side
    654,663.16x = 332,626,481,165.82
  5. Step 5: Solve for x
    x = 332,626,481,165.82/654,663.16
  6. Step 6: Final answer
    x = 508,087.98

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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.