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Finding the Fourth Proportional to 1,439,000, 2,158,604.64 and 552,536

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Solution

The fourth proportional to 1,439,000, 2,158,604.64 and 552,536 is: 828,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,000 : 2,158,604.64 = 552,536 : x
  2. Step 2: Convert to fraction form
    1,439,000/2,158,604.64 = 552,536/x
  3. Step 3: Cross multiply
    1,439,000x = 2,158,604.64 × 552,536
  4. Step 4: Simplify right side
    1,439,000x = 1,192,706,773,367.04
  5. Step 5: Solve for x
    x = 1,192,706,773,367.04/1,439,000
  6. Step 6: Final answer
    x = 828,844.18

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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.