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Finding the Fourth Proportional to 570,863.09, 787,411.33 and 367,171.68

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Solution

The fourth proportional to 570,863.09, 787,411.33 and 367,171.68 is: 506,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,863.09 : 787,411.33 = 367,171.68 : x
  2. Step 2: Convert to fraction form
    570,863.09/787,411.33 = 367,171.68/x
  3. Step 3: Cross multiply
    570,863.09x = 787,411.33 × 367,171.68
  4. Step 4: Simplify right side
    570,863.09x = 289,115,142,922.00
  5. Step 5: Solve for x
    x = 289,115,142,922.00/570,863.09
  6. Step 6: Final answer
    x = 506,452.68

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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.