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Finding the Fourth Proportional to 347,077.54, 520,022.16 and 189,416.74

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Solution

The fourth proportional to 347,077.54, 520,022.16 and 189,416.74 is: 283,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,077.54 : 520,022.16 = 189,416.74 : x
  2. Step 2: Convert to fraction form
    347,077.54/520,022.16 = 189,416.74/x
  3. Step 3: Cross multiply
    347,077.54x = 520,022.16 × 189,416.74
  4. Step 4: Simplify right side
    347,077.54x = 98,500,902,274.96
  5. Step 5: Solve for x
    x = 98,500,902,274.96/347,077.54
  6. Step 6: Final answer
    x = 283,800.85

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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.