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Finding the Fourth Proportional to 366,951.02, 550,477.53 and 130,237.40

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Solution

The fourth proportional to 366,951.02, 550,477.53 and 130,237.40 is: 195,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,951.02 : 550,477.53 = 130,237.40 : x
  2. Step 2: Convert to fraction form
    366,951.02/550,477.53 = 130,237.40/x
  3. Step 3: Cross multiply
    366,951.02x = 550,477.53 × 130,237.40
  4. Step 4: Simplify right side
    366,951.02x = 71,692,762,265.62
  5. Step 5: Solve for x
    x = 71,692,762,265.62/366,951.02
  6. Step 6: Final answer
    x = 195,374.20

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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.