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Finding the Fourth Proportional to 364,953.50, 503,858.20 and 250,420.32

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Solution

The fourth proportional to 364,953.50, 503,858.20 and 250,420.32 is: 345,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,953.50 : 503,858.20 = 250,420.32 : x
  2. Step 2: Convert to fraction form
    364,953.50/503,858.20 = 250,420.32/x
  3. Step 3: Cross multiply
    364,953.50x = 503,858.20 × 250,420.32
  4. Step 4: Simplify right side
    364,953.50x = 126,176,331,678.62
  5. Step 5: Solve for x
    x = 126,176,331,678.62/364,953.50
  6. Step 6: Final answer
    x = 345,732.63

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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.