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Finding the Fourth Proportional to 704,731.94, 972,537.22 and 382,444.82

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Solution

The fourth proportional to 704,731.94, 972,537.22 and 382,444.82 is: 527,777.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,731.94 : 972,537.22 = 382,444.82 : x
  2. Step 2: Convert to fraction form
    704,731.94/972,537.22 = 382,444.82/x
  3. Step 3: Cross multiply
    704,731.94x = 972,537.22 × 382,444.82
  4. Step 4: Simplify right side
    704,731.94x = 371,941,822,046.20
  5. Step 5: Solve for x
    x = 371,941,822,046.20/704,731.94
  6. Step 6: Final answer
    x = 527,777.73

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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.