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Finding the Fourth Proportional to 879,952.82, 1,214,352.12 and 574,224.80

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Solution

The fourth proportional to 879,952.82, 1,214,352.12 and 574,224.80 is: 792,441.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,952.82 : 1,214,352.12 = 574,224.80 : x
  2. Step 2: Convert to fraction form
    879,952.82/1,214,352.12 = 574,224.80/x
  3. Step 3: Cross multiply
    879,952.82x = 1,214,352.12 × 574,224.80
  4. Step 4: Simplify right side
    879,952.82x = 697,311,097,164.82
  5. Step 5: Solve for x
    x = 697,311,097,164.82/879,952.82
  6. Step 6: Final answer
    x = 792,441.46

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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.