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Finding the Fourth Proportional to 1,618,254, 2,427,497.64 and 620,982

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Solution

The fourth proportional to 1,618,254, 2,427,497.64 and 620,982 is: 931,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,254 : 2,427,497.64 = 620,982 : x
  2. Step 2: Convert to fraction form
    1,618,254/2,427,497.64 = 620,982/x
  3. Step 3: Cross multiply
    1,618,254x = 2,427,497.64 × 620,982
  4. Step 4: Simplify right side
    1,618,254x = 1,507,432,339,482.48
  5. Step 5: Solve for x
    x = 1,507,432,339,482.48/1,618,254
  6. Step 6: Final answer
    x = 931,517.76

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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.