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Finding the Fourth Proportional to 265,596.80, 397,243.20 and 237,718.40

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Solution

The fourth proportional to 265,596.80, 397,243.20 and 237,718.40 is: 355,546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,596.80 : 397,243.20 = 237,718.40 : x
  2. Step 2: Convert to fraction form
    265,596.80/397,243.20 = 237,718.40/x
  3. Step 3: Cross multiply
    265,596.80x = 397,243.20 × 237,718.40
  4. Step 4: Simplify right side
    265,596.80x = 94,432,017,914.88
  5. Step 5: Solve for x
    x = 94,432,017,914.88/265,596.80
  6. Step 6: Final answer
    x = 355,546.52

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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.