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Finding the Fourth Proportional to 495,787.28, 683,993.28 and 367,033.94

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Solution

The fourth proportional to 495,787.28, 683,993.28 and 367,033.94 is: 506,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,787.28 : 683,993.28 = 367,033.94 : x
  2. Step 2: Convert to fraction form
    495,787.28/683,993.28 = 367,033.94/x
  3. Step 3: Cross multiply
    495,787.28x = 683,993.28 × 367,033.94
  4. Step 4: Simplify right side
    495,787.28x = 251,048,748,032.41
  5. Step 5: Solve for x
    x = 251,048,748,032.41/495,787.28
  6. Step 6: Final answer
    x = 506,363.83

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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.