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Finding the Fourth Proportional to 567,737.53, 783,467.92 and 309,616.48

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Solution

The fourth proportional to 567,737.53, 783,467.92 and 309,616.48 is: 427,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,737.53 : 783,467.92 = 309,616.48 : x
  2. Step 2: Convert to fraction form
    567,737.53/783,467.92 = 309,616.48/x
  3. Step 3: Cross multiply
    567,737.53x = 783,467.92 × 309,616.48
  4. Step 4: Simplify right side
    567,737.53x = 242,574,575,671.87
  5. Step 5: Solve for x
    x = 242,574,575,671.87/567,737.53
  6. Step 6: Final answer
    x = 427,265.35

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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.