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Finding the Fourth Proportional to 704,127.95, 971,697.09 and 381,837.97

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Solution

The fourth proportional to 704,127.95, 971,697.09 and 381,837.97 is: 526,936.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,127.95 : 971,697.09 = 381,837.97 : x
  2. Step 2: Convert to fraction form
    704,127.95/971,697.09 = 381,837.97/x
  3. Step 3: Cross multiply
    704,127.95x = 971,697.09 × 381,837.97
  4. Step 4: Simplify right side
    704,127.95x = 371,030,844,300.51
  5. Step 5: Solve for x
    x = 371,030,844,300.51/704,127.95
  6. Step 6: Final answer
    x = 526,936.68

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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.