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Finding the Fourth Proportional to 1,859,584.96, 2,787,840.24 and 706,592.88

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Solution

The fourth proportional to 1,859,584.96, 2,787,840.24 and 706,592.88 is: 1,059,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,584.96 : 2,787,840.24 = 706,592.88 : x
  2. Step 2: Convert to fraction form
    1,859,584.96/2,787,840.24 = 706,592.88/x
  3. Step 3: Cross multiply
    1,859,584.96x = 2,787,840.24 × 706,592.88
  4. Step 4: Simplify right side
    1,859,584.96x = 1,969,868,064,161.49
  5. Step 5: Solve for x
    x = 1,969,868,064,161.49/1,859,584.96
  6. Step 6: Final answer
    x = 1,059,305.22

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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.