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Finding the Fourth Proportional to 558,091.54, 770,160.90 and 303,442.73

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Solution

The fourth proportional to 558,091.54, 770,160.90 and 303,442.73 is: 418,748.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,091.54 : 770,160.90 = 303,442.73 : x
  2. Step 2: Convert to fraction form
    558,091.54/770,160.90 = 303,442.73/x
  3. Step 3: Cross multiply
    558,091.54x = 770,160.90 × 303,442.73
  4. Step 4: Simplify right side
    558,091.54x = 233,699,722,184.45
  5. Step 5: Solve for x
    x = 233,699,722,184.45/558,091.54
  6. Step 6: Final answer
    x = 418,748.01

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.