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Finding the Fourth Proportional to 263,254.80, 393,730.20 and 235,376.40

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Solution

The fourth proportional to 263,254.80, 393,730.20 and 235,376.40 is: 352,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,254.80 : 393,730.20 = 235,376.40 : x
  2. Step 2: Convert to fraction form
    263,254.80/393,730.20 = 235,376.40/x
  3. Step 3: Cross multiply
    263,254.80x = 393,730.20 × 235,376.40
  4. Step 4: Simplify right side
    263,254.80x = 92,674,797,047.28
  5. Step 5: Solve for x
    x = 92,674,797,047.28/263,254.80
  6. Step 6: Final answer
    x = 352,034.60

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1.5x scale

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.