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Finding the Fourth Proportional to 473,606.40, 709,913.37 and 220,678.37

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Solution

The fourth proportional to 473,606.40, 709,913.37 and 220,678.37 is: 330,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,606.40 : 709,913.37 = 220,678.37 : x
  2. Step 2: Convert to fraction form
    473,606.40/709,913.37 = 220,678.37/x
  3. Step 3: Cross multiply
    473,606.40x = 709,913.37 × 220,678.37
  4. Step 4: Simplify right side
    473,606.40x = 156,662,521,783.24
  5. Step 5: Solve for x
    x = 156,662,521,783.24/473,606.40
  6. Step 6: Final answer
    x = 330,786.33

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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.