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Finding the Fourth Proportional to 453,752.92, 680,703.18 and 154,260.28

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Solution

The fourth proportional to 453,752.92, 680,703.18 and 154,260.28 is: 231,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,752.92 : 680,703.18 = 154,260.28 : x
  2. Step 2: Convert to fraction form
    453,752.92/680,703.18 = 154,260.28/x
  3. Step 3: Cross multiply
    453,752.92x = 680,703.18 × 154,260.28
  4. Step 4: Simplify right side
    453,752.92x = 105,005,463,143.69
  5. Step 5: Solve for x
    x = 105,005,463,143.69/453,752.92
  6. Step 6: Final answer
    x = 231,415.51

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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.