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Finding the Fourth Proportional to 364,249.20, 546,373.80 and 305,200.20

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Solution

The fourth proportional to 364,249.20, 546,373.80 and 305,200.20 is: 457,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,249.20 : 546,373.80 = 305,200.20 : x
  2. Step 2: Convert to fraction form
    364,249.20/546,373.80 = 305,200.20/x
  3. Step 3: Cross multiply
    364,249.20x = 546,373.80 × 305,200.20
  4. Step 4: Simplify right side
    364,249.20x = 166,753,393,034.76
  5. Step 5: Solve for x
    x = 166,753,393,034.76/364,249.20
  6. Step 6: Final answer
    x = 457,800.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.