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Finding the Fourth Proportional to 704,857.94, 972,677.94 and 382,561.11

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Solution

The fourth proportional to 704,857.94, 972,677.94 and 382,561.11 is: 527,920.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,857.94 : 972,677.94 = 382,561.11 : x
  2. Step 2: Convert to fraction form
    704,857.94/972,677.94 = 382,561.11/x
  3. Step 3: Cross multiply
    704,857.94x = 972,677.94 × 382,561.11
  4. Step 4: Simplify right side
    704,857.94x = 372,108,752,398.91
  5. Step 5: Solve for x
    x = 372,108,752,398.91/704,857.94
  6. Step 6: Final answer
    x = 527,920.21

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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.