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Finding the Fourth Proportional to 438,552.46, 658,091.12 and 189,234.46

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Solution

The fourth proportional to 438,552.46, 658,091.12 and 189,234.46 is: 283,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,552.46 : 658,091.12 = 189,234.46 : x
  2. Step 2: Convert to fraction form
    438,552.46/658,091.12 = 189,234.46/x
  3. Step 3: Cross multiply
    438,552.46x = 658,091.12 × 189,234.46
  4. Step 4: Simplify right side
    438,552.46x = 124,533,517,724.00
  5. Step 5: Solve for x
    x = 124,533,517,724.00/438,552.46
  6. Step 6: Final answer
    x = 283,964.93

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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.