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Finding the Fourth Proportional to 235,915.80, 325,577.40 and 177,668.24

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Solution

The fourth proportional to 235,915.80, 325,577.40 and 177,668.24 is: 245,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,915.80 : 325,577.40 = 177,668.24 : x
  2. Step 2: Convert to fraction form
    235,915.80/325,577.40 = 177,668.24/x
  3. Step 3: Cross multiply
    235,915.80x = 325,577.40 × 177,668.24
  4. Step 4: Simplify right side
    235,915.80x = 57,844,763,641.78
  5. Step 5: Solve for x
    x = 57,844,763,641.78/235,915.80
  6. Step 6: Final answer
    x = 245,192.41

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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.