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Finding the Fourth Proportional to 253,955.52, 379,078.92 and 235,453.50

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Solution

The fourth proportional to 253,955.52, 379,078.92 and 235,453.50 is: 351,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,955.52 : 379,078.92 = 235,453.50 : x
  2. Step 2: Convert to fraction form
    253,955.52/379,078.92 = 235,453.50/x
  3. Step 3: Cross multiply
    253,955.52x = 379,078.92 × 235,453.50
  4. Step 4: Simplify right side
    253,955.52x = 89,255,458,490.22
  5. Step 5: Solve for x
    x = 89,255,458,490.22/253,955.52
  6. Step 6: Final answer
    x = 351,460.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.