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Finding the Fourth Proportional to 347,188.92, 520,783.38 and 329,459.64

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Solution

The fourth proportional to 347,188.92, 520,783.38 and 329,459.64 is: 494,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,188.92 : 520,783.38 = 329,459.64 : x
  2. Step 2: Convert to fraction form
    347,188.92/520,783.38 = 329,459.64/x
  3. Step 3: Cross multiply
    347,188.92x = 520,783.38 × 329,459.64
  4. Step 4: Simplify right side
    347,188.92x = 171,577,104,892.78
  5. Step 5: Solve for x
    x = 171,577,104,892.78/347,188.92
  6. Step 6: Final answer
    x = 494,189.46

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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.