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Finding the Fourth Proportional to 366,900.30, 550,350.45 and 130,266.90

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Solution

The fourth proportional to 366,900.30, 550,350.45 and 130,266.90 is: 195,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,900.30 : 550,350.45 = 130,266.90 : x
  2. Step 2: Convert to fraction form
    366,900.30/550,350.45 = 130,266.90/x
  3. Step 3: Cross multiply
    366,900.30x = 550,350.45 × 130,266.90
  4. Step 4: Simplify right side
    366,900.30x = 71,692,447,035.11
  5. Step 5: Solve for x
    x = 71,692,447,035.11/366,900.30
  6. Step 6: Final answer
    x = 195,400.35

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1.5x scale

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.