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Finding the Fourth Proportional to 526,044.60, 789,066.90 and 171,070.20

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Solution

The fourth proportional to 526,044.60, 789,066.90 and 171,070.20 is: 256,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,044.60 : 789,066.90 = 171,070.20 : x
  2. Step 2: Convert to fraction form
    526,044.60/789,066.90 = 171,070.20/x
  3. Step 3: Cross multiply
    526,044.60x = 789,066.90 × 171,070.20
  4. Step 4: Simplify right side
    526,044.60x = 134,985,832,396.38
  5. Step 5: Solve for x
    x = 134,985,832,396.38/526,044.60
  6. Step 6: Final answer
    x = 256,605.30

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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.