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Finding the Fourth Proportional to 364,805.50, 503,430.33 and 203,659.13

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Solution

The fourth proportional to 364,805.50, 503,430.33 and 203,659.13 is: 281,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,805.50 : 503,430.33 = 203,659.13 : x
  2. Step 2: Convert to fraction form
    364,805.50/503,430.33 = 203,659.13/x
  3. Step 3: Cross multiply
    364,805.50x = 503,430.33 × 203,659.13
  4. Step 4: Simplify right side
    364,805.50x = 102,528,183,023.41
  5. Step 5: Solve for x
    x = 102,528,183,023.41/364,805.50
  6. Step 6: Final answer
    x = 281,048.90

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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.