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Finding the Fourth Proportional to 366,812.40, 550,218.60 and 130,124.33

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Solution

The fourth proportional to 366,812.40, 550,218.60 and 130,124.33 is: 195,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,812.40 : 550,218.60 = 130,124.33 : x
  2. Step 2: Convert to fraction form
    366,812.40/550,218.60 = 130,124.33/x
  3. Step 3: Cross multiply
    366,812.40x = 550,218.60 × 130,124.33
  4. Step 4: Simplify right side
    366,812.40x = 71,596,823,927.45
  5. Step 5: Solve for x
    x = 71,596,823,927.45/366,812.40
  6. Step 6: Final answer
    x = 195,186.49

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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.