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Finding the Fourth Proportional to 526,492.12, 789,737.54 and 171,505.56

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Solution

The fourth proportional to 526,492.12, 789,737.54 and 171,505.56 is: 257,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,492.12 : 789,737.54 = 171,505.56 : x
  2. Step 2: Convert to fraction form
    526,492.12/789,737.54 = 171,505.56/x
  3. Step 3: Cross multiply
    526,492.12x = 789,737.54 × 171,505.56
  4. Step 4: Simplify right side
    526,492.12x = 135,444,379,050.72
  5. Step 5: Solve for x
    x = 135,444,379,050.72/526,492.12
  6. Step 6: Final answer
    x = 257,258.13

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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.