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Finding the Fourth Proportional to 547,689.80, 822,053.10 and 337,737.80

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Solution

The fourth proportional to 547,689.80, 822,053.10 and 337,737.80 is: 506,926.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,689.80 : 822,053.10 = 337,737.80 : x
  2. Step 2: Convert to fraction form
    547,689.80/822,053.10 = 337,737.80/x
  3. Step 3: Cross multiply
    547,689.80x = 822,053.10 × 337,737.80
  4. Step 4: Simplify right side
    547,689.80x = 277,638,405,477.18
  5. Step 5: Solve for x
    x = 277,638,405,477.18/547,689.80
  6. Step 6: Final answer
    x = 506,926.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.