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Finding the Fourth Proportional to 547,688.80, 822,051.60 and 337,736.80

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Solution

The fourth proportional to 547,688.80, 822,051.60 and 337,736.80 is: 506,924.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,688.80 : 822,051.60 = 337,736.80 : x
  2. Step 2: Convert to fraction form
    547,688.80/822,051.60 = 337,736.80/x
  3. Step 3: Cross multiply
    547,688.80x = 822,051.60 × 337,736.80
  4. Step 4: Simplify right side
    547,688.80x = 277,637,076,818.88
  5. Step 5: Solve for x
    x = 277,637,076,818.88/547,688.80
  6. Step 6: Final answer
    x = 506,924.88

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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.