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Finding the Fourth Proportional to 265,223.80, 397,835.70 and 223,233.40

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Solution

The fourth proportional to 265,223.80, 397,835.70 and 223,233.40 is: 334,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,223.80 : 397,835.70 = 223,233.40 : x
  2. Step 2: Convert to fraction form
    265,223.80/397,835.70 = 223,233.40/x
  3. Step 3: Cross multiply
    265,223.80x = 397,835.70 × 223,233.40
  4. Step 4: Simplify right side
    265,223.80x = 88,810,215,952.38
  5. Step 5: Solve for x
    x = 88,810,215,952.38/265,223.80
  6. Step 6: Final answer
    x = 334,850.10

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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.