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Finding the Fourth Proportional to 866,792.60, 1,299,800.10 and 334,136.60

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Solution

The fourth proportional to 866,792.60, 1,299,800.10 and 334,136.60 is: 501,055.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,792.60 : 1,299,800.10 = 334,136.60 : x
  2. Step 2: Convert to fraction form
    866,792.60/1,299,800.10 = 334,136.60/x
  3. Step 3: Cross multiply
    866,792.60x = 1,299,800.10 × 334,136.60
  4. Step 4: Simplify right side
    866,792.60x = 434,310,786,093.66
  5. Step 5: Solve for x
    x = 434,310,786,093.66/866,792.60
  6. Step 6: Final answer
    x = 501,055.02

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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.