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Finding the Fourth Proportional to 260,019.70, 364,519.10 and 260,019.70

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Solution

The fourth proportional to 260,019.70, 364,519.10 and 260,019.70 is: 364,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,019.70 : 364,519.10 = 260,019.70 : x
  2. Step 2: Convert to fraction form
    260,019.70/364,519.10 = 260,019.70/x
  3. Step 3: Cross multiply
    260,019.70x = 364,519.10 × 260,019.70
  4. Step 4: Simplify right side
    260,019.70x = 94,782,147,026.27
  5. Step 5: Solve for x
    x = 94,782,147,026.27/260,019.70
  6. Step 6: Final answer
    x = 364,519.10

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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.