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Finding the Fourth Proportional to 504,508.73, 695,793.70 and 426,309.80

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Solution

The fourth proportional to 504,508.73, 695,793.70 and 426,309.80 is: 587,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,508.73 : 695,793.70 = 426,309.80 : x
  2. Step 2: Convert to fraction form
    504,508.73/695,793.70 = 426,309.80/x
  3. Step 3: Cross multiply
    504,508.73x = 695,793.70 × 426,309.80
  4. Step 4: Simplify right side
    504,508.73x = 296,623,673,088.26
  5. Step 5: Solve for x
    x = 296,623,673,088.26/504,508.73
  6. Step 6: Final answer
    x = 587,945.57

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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.