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Finding the Fourth Proportional to 473,243.76, 653,133.66 and 269,344.26

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Solution

The fourth proportional to 473,243.76, 653,133.66 and 269,344.26 is: 371,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,243.76 : 653,133.66 = 269,344.26 : x
  2. Step 2: Convert to fraction form
    473,243.76/653,133.66 = 269,344.26/x
  3. Step 3: Cross multiply
    473,243.76x = 653,133.66 × 269,344.26
  4. Step 4: Simplify right side
    473,243.76x = 175,917,802,333.79
  5. Step 5: Solve for x
    x = 175,917,802,333.79/473,243.76
  6. Step 6: Final answer
    x = 371,727.67

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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.