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Finding the Fourth Proportional to 503,897.10, 754,825.05 and 313,773.90

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Solution

The fourth proportional to 503,897.10, 754,825.05 and 313,773.90 is: 470,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,897.10 : 754,825.05 = 313,773.90 : x
  2. Step 2: Convert to fraction form
    503,897.10/754,825.05 = 313,773.90/x
  3. Step 3: Cross multiply
    503,897.10x = 754,825.05 × 313,773.90
  4. Step 4: Simplify right side
    503,897.10x = 236,844,399,756.20
  5. Step 5: Solve for x
    x = 236,844,399,756.20/503,897.10
  6. Step 6: Final answer
    x = 470,025.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.