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Finding the Fourth Proportional to 503,206.28, 694,430.16 and 273,764.86

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Solution

The fourth proportional to 503,206.28, 694,430.16 and 273,764.86 is: 377,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,206.28 : 694,430.16 = 273,764.86 : x
  2. Step 2: Convert to fraction form
    503,206.28/694,430.16 = 273,764.86/x
  3. Step 3: Cross multiply
    503,206.28x = 694,430.16 × 273,764.86
  4. Step 4: Simplify right side
    503,206.28x = 190,110,575,532.18
  5. Step 5: Solve for x
    x = 190,110,575,532.18/503,206.28
  6. Step 6: Final answer
    x = 377,798.50

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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.