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Finding the Fourth Proportional to 526,265.96, 789,411.11 and 171,307.67

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Solution

The fourth proportional to 526,265.96, 789,411.11 and 171,307.67 is: 256,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,265.96 : 789,411.11 = 171,307.67 : x
  2. Step 2: Convert to fraction form
    526,265.96/789,411.11 = 171,307.67/x
  3. Step 3: Cross multiply
    526,265.96x = 789,411.11 × 171,307.67
  4. Step 4: Simplify right side
    526,265.96x = 135,232,173,122.62
  5. Step 5: Solve for x
    x = 135,232,173,122.62/526,265.96
  6. Step 6: Final answer
    x = 256,965.46

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Double scale
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Similar ratio
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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.