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Finding the Fourth Proportional to 312,050.88, 430,596 and 177,914.88

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Solution

The fourth proportional to 312,050.88, 430,596 and 177,914.88 is: 245,503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,050.88 : 430,596 = 177,914.88 : x
  2. Step 2: Convert to fraction form
    312,050.88/430,596 = 177,914.88/x
  3. Step 3: Cross multiply
    312,050.88x = 430,596 × 177,914.88
  4. Step 4: Simplify right side
    312,050.88x = 76,609,435,668.48
  5. Step 5: Solve for x
    x = 76,609,435,668.48/312,050.88
  6. Step 6: Final answer
    x = 245,503.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.