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Finding the Fourth Proportional to 704,860.86, 972,708.85 and 382,571.04

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Solution

The fourth proportional to 704,860.86, 972,708.85 and 382,571.04 is: 527,948.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,860.86 : 972,708.85 = 382,571.04 : x
  2. Step 2: Convert to fraction form
    704,860.86/972,708.85 = 382,571.04/x
  3. Step 3: Cross multiply
    704,860.86x = 972,708.85 × 382,571.04
  4. Step 4: Simplify right side
    704,860.86x = 372,130,236,361.70
  5. Step 5: Solve for x
    x = 372,130,236,361.70/704,860.86
  6. Step 6: Final answer
    x = 527,948.50

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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.