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Finding the Fourth Proportional to 266,777.70, 400,166.55 and 245,004.90

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Solution

The fourth proportional to 266,777.70, 400,166.55 and 245,004.90 is: 367,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,777.70 : 400,166.55 = 245,004.90 : x
  2. Step 2: Convert to fraction form
    266,777.70/400,166.55 = 245,004.90/x
  3. Step 3: Cross multiply
    266,777.70x = 400,166.55 × 245,004.90
  4. Step 4: Simplify right side
    266,777.70x = 98,042,765,566.10
  5. Step 5: Solve for x
    x = 98,042,765,566.10/266,777.70
  6. Step 6: Final answer
    x = 367,507.35

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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.