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Finding the Fourth Proportional to 1,812,773.76, 2,717,856 and 852,692.64

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Solution

The fourth proportional to 1,812,773.76, 2,717,856 and 852,692.64 is: 1,278,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,773.76 : 2,717,856 = 852,692.64 : x
  2. Step 2: Convert to fraction form
    1,812,773.76/2,717,856 = 852,692.64/x
  3. Step 3: Cross multiply
    1,812,773.76x = 2,717,856 × 852,692.64
  4. Step 4: Simplify right side
    1,812,773.76x = 2,317,495,807,779.84
  5. Step 5: Solve for x
    x = 2,317,495,807,779.84/1,812,773.76
  6. Step 6: Final answer
    x = 1,278,425.28

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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.