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Finding the Fourth Proportional to 366,954.80, 550,432.20 and 100,756.40

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Solution

The fourth proportional to 366,954.80, 550,432.20 and 100,756.40 is: 151,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,954.80 : 550,432.20 = 100,756.40 : x
  2. Step 2: Convert to fraction form
    366,954.80/550,432.20 = 100,756.40/x
  3. Step 3: Cross multiply
    366,954.80x = 550,432.20 × 100,756.40
  4. Step 4: Simplify right side
    366,954.80x = 55,459,566,916.08
  5. Step 5: Solve for x
    x = 55,459,566,916.08/366,954.80
  6. Step 6: Final answer
    x = 151,134.60

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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.