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Finding the Fourth Proportional to 551,253.80, 826,880.70 and 177,314.60

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Solution

The fourth proportional to 551,253.80, 826,880.70 and 177,314.60 is: 265,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,253.80 : 826,880.70 = 177,314.60 : x
  2. Step 2: Convert to fraction form
    551,253.80/826,880.70 = 177,314.60/x
  3. Step 3: Cross multiply
    551,253.80x = 826,880.70 × 177,314.60
  4. Step 4: Simplify right side
    551,253.80x = 146,618,020,568.22
  5. Step 5: Solve for x
    x = 146,618,020,568.22/551,253.80
  6. Step 6: Final answer
    x = 265,971.90

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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.