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Finding the Fourth Proportional to 557,433.90, 769,578.03 and 367,000.88

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Solution

The fourth proportional to 557,433.90, 769,578.03 and 367,000.88 is: 506,671.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,433.90 : 769,578.03 = 367,000.88 : x
  2. Step 2: Convert to fraction form
    557,433.90/769,578.03 = 367,000.88/x
  3. Step 3: Cross multiply
    557,433.90x = 769,578.03 × 367,000.88
  4. Step 4: Simplify right side
    557,433.90x = 282,435,810,390.78
  5. Step 5: Solve for x
    x = 282,435,810,390.78/557,433.90
  6. Step 6: Final answer
    x = 506,671.39

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1.5x scale

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.