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Finding the Fourth Proportional to 704,891.16, 972,750.77 and 382,601.32

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Solution

The fourth proportional to 704,891.16, 972,750.77 and 382,601.32 is: 527,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,891.16 : 972,750.77 = 382,601.32 : x
  2. Step 2: Convert to fraction form
    704,891.16/972,750.77 = 382,601.32/x
  3. Step 3: Cross multiply
    704,891.16x = 972,750.77 × 382,601.32
  4. Step 4: Simplify right side
    704,891.16x = 372,175,728,633.02
  5. Step 5: Solve for x
    x = 372,175,728,633.02/704,891.16
  6. Step 6: Final answer
    x = 527,990.35

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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.