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Finding the Fourth Proportional to 704,755.20, 1,055,383.20 and 564,787.20

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Solution

The fourth proportional to 704,755.20, 1,055,383.20 and 564,787.20 is: 845,778.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,755.20 : 1,055,383.20 = 564,787.20 : x
  2. Step 2: Convert to fraction form
    704,755.20/1,055,383.20 = 564,787.20/x
  3. Step 3: Cross multiply
    704,755.20x = 1,055,383.20 × 564,787.20
  4. Step 4: Simplify right side
    704,755.20x = 596,066,922,455.04
  5. Step 5: Solve for x
    x = 596,066,922,455.04/704,755.20
  6. Step 6: Final answer
    x = 845,778.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.