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Finding the Fourth Proportional to 264,887.80, 397,331.70 and 65,206.60

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Solution

The fourth proportional to 264,887.80, 397,331.70 and 65,206.60 is: 97,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,887.80 : 397,331.70 = 65,206.60 : x
  2. Step 2: Convert to fraction form
    264,887.80/397,331.70 = 65,206.60/x
  3. Step 3: Cross multiply
    264,887.80x = 397,331.70 × 65,206.60
  4. Step 4: Simplify right side
    264,887.80x = 25,908,649,229.22
  5. Step 5: Solve for x
    x = 25,908,649,229.22/264,887.80
  6. Step 6: Final answer
    x = 97,809.90

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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.