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Finding the Fourth Proportional to 604,965.56, 907,379.22 and 161,768.12

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Solution

The fourth proportional to 604,965.56, 907,379.22 and 161,768.12 is: 242,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,965.56 : 907,379.22 = 161,768.12 : x
  2. Step 2: Convert to fraction form
    604,965.56/907,379.22 = 161,768.12/x
  3. Step 3: Cross multiply
    604,965.56x = 907,379.22 × 161,768.12
  4. Step 4: Simplify right side
    604,965.56x = 146,785,030,546.47
  5. Step 5: Solve for x
    x = 146,785,030,546.47/604,965.56
  6. Step 6: Final answer
    x = 242,633.70

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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.