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Finding the Fourth Proportional to 364,505.52, 503,017.92 and 203,360.60

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Solution

The fourth proportional to 364,505.52, 503,017.92 and 203,360.60 is: 280,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,505.52 : 503,017.92 = 203,360.60 : x
  2. Step 2: Convert to fraction form
    364,505.52/503,017.92 = 203,360.60/x
  3. Step 3: Cross multiply
    364,505.52x = 503,017.92 × 203,360.60
  4. Step 4: Simplify right side
    364,505.52x = 102,294,023,506.86
  5. Step 5: Solve for x
    x = 102,294,023,506.86/364,505.52
  6. Step 6: Final answer
    x = 280,637.79

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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.