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Finding the Fourth Proportional to 510,083.60, 765,125.40 and 454,096.40

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Solution

The fourth proportional to 510,083.60, 765,125.40 and 454,096.40 is: 681,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,083.60 : 765,125.40 = 454,096.40 : x
  2. Step 2: Convert to fraction form
    510,083.60/765,125.40 = 454,096.40/x
  3. Step 3: Cross multiply
    510,083.60x = 765,125.40 × 454,096.40
  4. Step 4: Simplify right side
    510,083.60x = 347,440,689,688.56
  5. Step 5: Solve for x
    x = 347,440,689,688.56/510,083.60
  6. Step 6: Final answer
    x = 681,144.60

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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.