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Finding the Fourth Proportional to 1,768,230, 2,440,157.40 and 963,414

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Solution

The fourth proportional to 1,768,230, 2,440,157.40 and 963,414 is: 1,329,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,230 : 2,440,157.40 = 963,414 : x
  2. Step 2: Convert to fraction form
    1,768,230/2,440,157.40 = 963,414/x
  3. Step 3: Cross multiply
    1,768,230x = 2,440,157.40 × 963,414
  4. Step 4: Simplify right side
    1,768,230x = 2,350,881,801,363.60
  5. Step 5: Solve for x
    x = 2,350,881,801,363.60/1,768,230
  6. Step 6: Final answer
    x = 1,329,511.32

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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.