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Finding the Fourth Proportional to 704,892.93, 972,753.24 and 382,603.10

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Solution

The fourth proportional to 704,892.93, 972,753.24 and 382,603.10 is: 527,992.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,892.93 : 972,753.24 = 382,603.10 : x
  2. Step 2: Convert to fraction form
    704,892.93/972,753.24 = 382,603.10/x
  3. Step 3: Cross multiply
    704,892.93x = 972,753.24 × 382,603.10
  4. Step 4: Simplify right side
    704,892.93x = 372,178,400,295.28
  5. Step 5: Solve for x
    x = 372,178,400,295.28/704,892.93
  6. Step 6: Final answer
    x = 527,992.81

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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.