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Finding the Fourth Proportional to 564,870.43, 779,178.87 and 335,276.43

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Solution

The fourth proportional to 564,870.43, 779,178.87 and 335,276.43 is: 462,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,870.43 : 779,178.87 = 335,276.43 : x
  2. Step 2: Convert to fraction form
    564,870.43/779,178.87 = 335,276.43/x
  3. Step 3: Cross multiply
    564,870.43x = 779,178.87 × 335,276.43
  4. Step 4: Simplify right side
    564,870.43x = 261,240,310,383.03
  5. Step 5: Solve for x
    x = 261,240,310,383.03/564,870.43
  6. Step 6: Final answer
    x = 462,478.29

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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.