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Finding the Fourth Proportional to 265,193.16, 397,156.56 and 152,636.78

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Solution

The fourth proportional to 265,193.16, 397,156.56 and 152,636.78 is: 228,590.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,193.16 : 397,156.56 = 152,636.78 : x
  2. Step 2: Convert to fraction form
    265,193.16/397,156.56 = 152,636.78/x
  3. Step 3: Cross multiply
    265,193.16x = 397,156.56 × 152,636.78
  4. Step 4: Simplify right side
    265,193.16x = 60,620,698,474.28
  5. Step 5: Solve for x
    x = 60,620,698,474.28/265,193.16
  6. Step 6: Final answer
    x = 228,590.73

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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.