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Finding the Fourth Proportional to 1,512,665, 2,087,477.70 and 833,601.50

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Solution

The fourth proportional to 1,512,665, 2,087,477.70 and 833,601.50 is: 1,150,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,665 : 2,087,477.70 = 833,601.50 : x
  2. Step 2: Convert to fraction form
    1,512,665/2,087,477.70 = 833,601.50/x
  3. Step 3: Cross multiply
    1,512,665x = 2,087,477.70 × 833,601.50
  4. Step 4: Simplify right side
    1,512,665x = 1,740,124,541,936.55
  5. Step 5: Solve for x
    x = 1,740,124,541,936.55/1,512,665
  6. Step 6: Final answer
    x = 1,150,370.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.