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Finding the Fourth Proportional to 1,661,998.70, 2,494,966.35 and 942,913.10

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Solution

The fourth proportional to 1,661,998.70, 2,494,966.35 and 942,913.10 is: 1,415,486.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,998.70 : 2,494,966.35 = 942,913.10 : x
  2. Step 2: Convert to fraction form
    1,661,998.70/2,494,966.35 = 942,913.10/x
  3. Step 3: Cross multiply
    1,661,998.70x = 2,494,966.35 × 942,913.10
  4. Step 4: Simplify right side
    1,661,998.70x = 2,352,536,455,474.19
  5. Step 5: Solve for x
    x = 2,352,536,455,474.19/1,661,998.70
  6. Step 6: Final answer
    x = 1,415,486.34

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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.