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Finding the Fourth Proportional to 347,662.40, 521,104.80 and 179,117.60

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Solution

The fourth proportional to 347,662.40, 521,104.80 and 179,117.60 is: 268,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,662.40 : 521,104.80 = 179,117.60 : x
  2. Step 2: Convert to fraction form
    347,662.40/521,104.80 = 179,117.60/x
  3. Step 3: Cross multiply
    347,662.40x = 521,104.80 × 179,117.60
  4. Step 4: Simplify right side
    347,662.40x = 93,339,041,124.48
  5. Step 5: Solve for x
    x = 93,339,041,124.48/347,662.40
  6. Step 6: Final answer
    x = 268,476.09

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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.