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Finding the Fourth Proportional to 360,316.46, 540,496.97 and 120,451.94

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Solution

The fourth proportional to 360,316.46, 540,496.97 and 120,451.94 is: 180,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,316.46 : 540,496.97 = 120,451.94 : x
  2. Step 2: Convert to fraction form
    360,316.46/540,496.97 = 120,451.94/x
  3. Step 3: Cross multiply
    360,316.46x = 540,496.97 × 120,451.94
  4. Step 4: Simplify right side
    360,316.46x = 65,103,905,295.88
  5. Step 5: Solve for x
    x = 65,103,905,295.88/360,316.46
  6. Step 6: Final answer
    x = 180,685.35

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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.