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Finding the Fourth Proportional to 526,496.86, 789,744.68 and 171,510.32

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Solution

The fourth proportional to 526,496.86, 789,744.68 and 171,510.32 is: 257,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,496.86 : 789,744.68 = 171,510.32 : x
  2. Step 2: Convert to fraction form
    526,496.86/789,744.68 = 171,510.32/x
  3. Step 3: Cross multiply
    526,496.86x = 789,744.68 × 171,510.32
  4. Step 4: Simplify right side
    526,496.86x = 135,449,362,785.10
  5. Step 5: Solve for x
    x = 135,449,362,785.10/526,496.86
  6. Step 6: Final answer
    x = 257,265.28

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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.