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Finding the Fourth Proportional to 555,653.89, 833,474.76 and 134,930.17

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Solution

The fourth proportional to 555,653.89, 833,474.76 and 134,930.17 is: 202,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,653.89 : 833,474.76 = 134,930.17 : x
  2. Step 2: Convert to fraction form
    555,653.89/833,474.76 = 134,930.17/x
  3. Step 3: Cross multiply
    555,653.89x = 833,474.76 × 134,930.17
  4. Step 4: Simplify right side
    555,653.89x = 112,460,891,057.51
  5. Step 5: Solve for x
    x = 112,460,891,057.51/555,653.89
  6. Step 6: Final answer
    x = 202,393.78

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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.