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Finding the Fourth Proportional to 704,776.20, 1,055,414.70 and 564,808.20

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Solution

The fourth proportional to 704,776.20, 1,055,414.70 and 564,808.20 is: 845,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,776.20 : 1,055,414.70 = 564,808.20 : x
  2. Step 2: Convert to fraction form
    704,776.20/1,055,414.70 = 564,808.20/x
  3. Step 3: Cross multiply
    704,776.20x = 1,055,414.70 × 564,808.20
  4. Step 4: Simplify right side
    704,776.20x = 596,106,876,960.54
  5. Step 5: Solve for x
    x = 596,106,876,960.54/704,776.20
  6. Step 6: Final answer
    x = 845,810.17

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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.