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Finding the Fourth Proportional to 347,253.60, 520,783.20 and 110,668.80

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Solution

The fourth proportional to 347,253.60, 520,783.20 and 110,668.80 is: 165,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,253.60 : 520,783.20 = 110,668.80 : x
  2. Step 2: Convert to fraction form
    347,253.60/520,783.20 = 110,668.80/x
  3. Step 3: Cross multiply
    347,253.60x = 520,783.20 × 110,668.80
  4. Step 4: Simplify right side
    347,253.60x = 57,634,451,804.16
  5. Step 5: Solve for x
    x = 57,634,451,804.16/347,253.60
  6. Step 6: Final answer
    x = 165,972.22

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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.