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Finding the Fourth Proportional to 260,872.10, 366,270.70 and 260,872.10

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Solution

The fourth proportional to 260,872.10, 366,270.70 and 260,872.10 is: 366,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,872.10 : 366,270.70 = 260,872.10 : x
  2. Step 2: Convert to fraction form
    260,872.10/366,270.70 = 260,872.10/x
  3. Step 3: Cross multiply
    260,872.10x = 366,270.70 × 260,872.10
  4. Step 4: Simplify right side
    260,872.10x = 95,549,806,677.47
  5. Step 5: Solve for x
    x = 95,549,806,677.47/260,872.10
  6. Step 6: Final answer
    x = 366,270.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.