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Finding the Fourth Proportional to 704,497.33, 972,297.88 and 394,517.93

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Solution

The fourth proportional to 704,497.33, 972,297.88 and 394,517.93 is: 544,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,497.33 : 972,297.88 = 394,517.93 : x
  2. Step 2: Convert to fraction form
    704,497.33/972,297.88 = 394,517.93/x
  3. Step 3: Cross multiply
    704,497.33x = 972,297.88 × 394,517.93
  4. Step 4: Simplify right side
    704,497.33x = 383,588,941,113.20
  5. Step 5: Solve for x
    x = 383,588,941,113.20/704,497.33
  6. Step 6: Final answer
    x = 544,486.01

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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.