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Finding the Fourth Proportional to 526,519.68, 726,609.60 and 300,186.24

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Solution

The fourth proportional to 526,519.68, 726,609.60 and 300,186.24 is: 414,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,519.68 : 726,609.60 = 300,186.24 : x
  2. Step 2: Convert to fraction form
    526,519.68/726,609.60 = 300,186.24/x
  3. Step 3: Cross multiply
    526,519.68x = 726,609.60 × 300,186.24
  4. Step 4: Simplify right side
    526,519.68x = 218,118,203,771.90
  5. Step 5: Solve for x
    x = 218,118,203,771.90/526,519.68
  6. Step 6: Final answer
    x = 414,264.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.