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Finding the Fourth Proportional to 526,462.92, 726,184.08 and 345,186.54

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Solution

The fourth proportional to 526,462.92, 726,184.08 and 345,186.54 is: 476,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,462.92 : 726,184.08 = 345,186.54 : x
  2. Step 2: Convert to fraction form
    526,462.92/726,184.08 = 345,186.54/x
  3. Step 3: Cross multiply
    526,462.92x = 726,184.08 × 345,186.54
  4. Step 4: Simplify right side
    526,462.92x = 250,668,969,978.28
  5. Step 5: Solve for x
    x = 250,668,969,978.28/526,462.92
  6. Step 6: Final answer
    x = 476,137.94

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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.