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Finding the Fourth Proportional to 441,861, 609,768.18 and 240,657

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Solution

The fourth proportional to 441,861, 609,768.18 and 240,657 is: 332,106.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,861 : 609,768.18 = 240,657 : x
  2. Step 2: Convert to fraction form
    441,861/609,768.18 = 240,657/x
  3. Step 3: Cross multiply
    441,861x = 609,768.18 × 240,657
  4. Step 4: Simplify right side
    441,861x = 146,744,980,894.26
  5. Step 5: Solve for x
    x = 146,744,980,894.26/441,861
  6. Step 6: Final answer
    x = 332,106.66

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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.