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Finding the Fourth Proportional to 704,127.98, 971,696.83 and 381,837.98

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Solution

The fourth proportional to 704,127.98, 971,696.83 and 381,837.98 is: 526,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,127.98 : 971,696.83 = 381,837.98 : x
  2. Step 2: Convert to fraction form
    704,127.98/971,696.83 = 381,837.98/x
  3. Step 3: Cross multiply
    704,127.98x = 971,696.83 × 381,837.98
  4. Step 4: Simplify right side
    704,127.98x = 371,030,749,881.12
  5. Step 5: Solve for x
    x = 371,030,749,881.12/704,127.98
  6. Step 6: Final answer
    x = 526,936.53

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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.