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Finding the Fourth Proportional to 704,970.44, 972,860.43 and 382,680.75

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Solution

The fourth proportional to 704,970.44, 972,860.43 and 382,680.75 is: 528,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,970.44 : 972,860.43 = 382,680.75 : x
  2. Step 2: Convert to fraction form
    704,970.44/972,860.43 = 382,680.75/x
  3. Step 3: Cross multiply
    704,970.44x = 972,860.43 × 382,680.75
  4. Step 4: Simplify right side
    704,970.44x = 372,294,958,997.72
  5. Step 5: Solve for x
    x = 372,294,958,997.72/704,970.44
  6. Step 6: Final answer
    x = 528,100.10

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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.