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Finding the Fourth Proportional to 571,801.52, 789,086.54 and 317,154.54

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Solution

The fourth proportional to 571,801.52, 789,086.54 and 317,154.54 is: 437,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,801.52 : 789,086.54 = 317,154.54 : x
  2. Step 2: Convert to fraction form
    571,801.52/789,086.54 = 317,154.54/x
  3. Step 3: Cross multiply
    571,801.52x = 789,086.54 × 317,154.54
  4. Step 4: Simplify right side
    571,801.52x = 250,262,378,613.89
  5. Step 5: Solve for x
    x = 250,262,378,613.89/571,801.52
  6. Step 6: Final answer
    x = 437,673.51

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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.