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Finding the Fourth Proportional to 526,525.68, 726,617.88 and 300,192.24

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Solution

The fourth proportional to 526,525.68, 726,617.88 and 300,192.24 is: 414,272.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,525.68 : 726,617.88 = 300,192.24 : x
  2. Step 2: Convert to fraction form
    526,525.68/726,617.88 = 300,192.24/x
  3. Step 3: Cross multiply
    526,525.68x = 726,617.88 × 300,192.24
  4. Step 4: Simplify right side
    526,525.68x = 218,125,049,021.25
  5. Step 5: Solve for x
    x = 218,125,049,021.25/526,525.68
  6. Step 6: Final answer
    x = 414,272.38

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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.