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Finding the Fourth Proportional to 552,169.40, 828,140.70 and 152,709.80

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Solution

The fourth proportional to 552,169.40, 828,140.70 and 152,709.80 is: 229,033.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,169.40 : 828,140.70 = 152,709.80 : x
  2. Step 2: Convert to fraction form
    552,169.40/828,140.70 = 152,709.80/x
  3. Step 3: Cross multiply
    552,169.40x = 828,140.70 × 152,709.80
  4. Step 4: Simplify right side
    552,169.40x = 126,465,200,668.86
  5. Step 5: Solve for x
    x = 126,465,200,668.86/552,169.40
  6. Step 6: Final answer
    x = 229,033.34

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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.