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Finding the Fourth Proportional to 803,463.84, 1,108,777.06 and 440,893.77

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Solution

The fourth proportional to 803,463.84, 1,108,777.06 and 440,893.77 is: 608,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,463.84 : 1,108,777.06 = 440,893.77 : x
  2. Step 2: Convert to fraction form
    803,463.84/1,108,777.06 = 440,893.77/x
  3. Step 3: Cross multiply
    803,463.84x = 1,108,777.06 × 440,893.77
  4. Step 4: Simplify right side
    803,463.84x = 488,852,898,072.92
  5. Step 5: Solve for x
    x = 488,852,898,072.92/803,463.84
  6. Step 6: Final answer
    x = 608,431.73

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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.