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Finding the Fourth Proportional to 570,851.28, 787,394.97 and 367,159.86

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Solution

The fourth proportional to 570,851.28, 787,394.97 and 367,159.86 is: 506,436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,851.28 : 787,394.97 = 367,159.86 : x
  2. Step 2: Convert to fraction form
    570,851.28/787,394.97 = 367,159.86/x
  3. Step 3: Cross multiply
    570,851.28x = 787,394.97 × 367,159.86
  4. Step 4: Simplify right side
    570,851.28x = 289,099,826,949.90
  5. Step 5: Solve for x
    x = 289,099,826,949.90/570,851.28
  6. Step 6: Final answer
    x = 506,436.33

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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.