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Finding the Fourth Proportional to 347,632.60, 521,448.90 and 110,999.20

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Solution

The fourth proportional to 347,632.60, 521,448.90 and 110,999.20 is: 166,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,632.60 : 521,448.90 = 110,999.20 : x
  2. Step 2: Convert to fraction form
    347,632.60/521,448.90 = 110,999.20/x
  3. Step 3: Cross multiply
    347,632.60x = 521,448.90 × 110,999.20
  4. Step 4: Simplify right side
    347,632.60x = 57,880,410,740.88
  5. Step 5: Solve for x
    x = 57,880,410,740.88/347,632.60
  6. Step 6: Final answer
    x = 166,498.80

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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.