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Finding the Fourth Proportional to 366,941.35, 550,466.70 and 130,264.21

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Solution

The fourth proportional to 366,941.35, 550,466.70 and 130,264.21 is: 195,415.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,941.35 : 550,466.70 = 130,264.21 : x
  2. Step 2: Convert to fraction form
    366,941.35/550,466.70 = 130,264.21/x
  3. Step 3: Cross multiply
    366,941.35x = 550,466.70 × 130,264.21
  4. Step 4: Simplify right side
    366,941.35x = 71,706,109,806.81
  5. Step 5: Solve for x
    x = 71,706,109,806.81/366,941.35
  6. Step 6: Final answer
    x = 195,415.72

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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.