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Finding the Fourth Proportional to 317,138.45, 475,777.62 and 92,516.45

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Solution

The fourth proportional to 317,138.45, 475,777.62 and 92,516.45 is: 138,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,138.45 : 475,777.62 = 92,516.45 : x
  2. Step 2: Convert to fraction form
    317,138.45/475,777.62 = 92,516.45/x
  3. Step 3: Cross multiply
    317,138.45x = 475,777.62 × 92,516.45
  4. Step 4: Simplify right side
    317,138.45x = 44,017,254,012.96
  5. Step 5: Solve for x
    x = 44,017,254,012.96/317,138.45
  6. Step 6: Final answer
    x = 138,795.07

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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.