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Finding the Fourth Proportional to 1,579,478.94, 2,367,252.84 and 769,200.91

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Solution

The fourth proportional to 1,579,478.94, 2,367,252.84 and 769,200.91 is: 1,152,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,478.94 : 2,367,252.84 = 769,200.91 : x
  2. Step 2: Convert to fraction form
    1,579,478.94/2,367,252.84 = 769,200.91/x
  3. Step 3: Cross multiply
    1,579,478.94x = 2,367,252.84 × 769,200.91
  4. Step 4: Simplify right side
    1,579,478.94x = 1,820,893,035,694.46
  5. Step 5: Solve for x
    x = 1,820,893,035,694.46/1,579,478.94
  6. Step 6: Final answer
    x = 1,152,844.14

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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.