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Finding the Fourth Proportional to 306,004.40, 459,006.60 and 95,706.80

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Solution

The fourth proportional to 306,004.40, 459,006.60 and 95,706.80 is: 143,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,004.40 : 459,006.60 = 95,706.80 : x
  2. Step 2: Convert to fraction form
    306,004.40/459,006.60 = 95,706.80/x
  3. Step 3: Cross multiply
    306,004.40x = 459,006.60 × 95,706.80
  4. Step 4: Simplify right side
    306,004.40x = 43,930,052,864.88
  5. Step 5: Solve for x
    x = 43,930,052,864.88/306,004.40
  6. Step 6: Final answer
    x = 143,560.20

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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.