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Finding the Fourth Proportional to 366,903.49, 550,409.88 and 130,226.35

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Solution

The fourth proportional to 366,903.49, 550,409.88 and 130,226.35 is: 195,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,903.49 : 550,409.88 = 130,226.35 : x
  2. Step 2: Convert to fraction form
    366,903.49/550,409.88 = 130,226.35/x
  3. Step 3: Cross multiply
    366,903.49x = 550,409.88 × 130,226.35
  4. Step 4: Simplify right side
    366,903.49x = 71,677,869,676.34
  5. Step 5: Solve for x
    x = 71,677,869,676.34/366,903.49
  6. Step 6: Final answer
    x = 195,358.92

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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.