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Finding the Fourth Proportional to 571,798.98, 789,584.22 and 357,305.58

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Solution

The fourth proportional to 571,798.98, 789,584.22 and 357,305.58 is: 493,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,798.98 : 789,584.22 = 357,305.58 : x
  2. Step 2: Convert to fraction form
    571,798.98/789,584.22 = 357,305.58/x
  3. Step 3: Cross multiply
    571,798.98x = 789,584.22 × 357,305.58
  4. Step 4: Simplify right side
    571,798.98x = 282,122,847,685.95
  5. Step 5: Solve for x
    x = 282,122,847,685.95/571,798.98
  6. Step 6: Final answer
    x = 493,395.16

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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.