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Finding the Fourth Proportional to 704,736.44, 972,543.42 and 382,449.32

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Solution

The fourth proportional to 704,736.44, 972,543.42 and 382,449.32 is: 527,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,736.44 : 972,543.42 = 382,449.32 : x
  2. Step 2: Convert to fraction form
    704,736.44/972,543.42 = 382,449.32/x
  3. Step 3: Cross multiply
    704,736.44x = 972,543.42 × 382,449.32
  4. Step 4: Simplify right side
    704,736.44x = 371,948,569,649.47
  5. Step 5: Solve for x
    x = 371,948,569,649.47/704,736.44
  6. Step 6: Final answer
    x = 527,783.93

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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.