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Finding the Fourth Proportional to 257,607, 355,497.66 and 150,181.56

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Solution

The fourth proportional to 257,607, 355,497.66 and 150,181.56 is: 207,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,607 : 355,497.66 = 150,181.56 : x
  2. Step 2: Convert to fraction form
    257,607/355,497.66 = 150,181.56/x
  3. Step 3: Cross multiply
    257,607x = 355,497.66 × 150,181.56
  4. Step 4: Simplify right side
    257,607x = 53,389,193,155.15
  5. Step 5: Solve for x
    x = 53,389,193,155.15/257,607
  6. Step 6: Final answer
    x = 207,250.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.