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Finding the Fourth Proportional to 441,638.82, 609,461.57 and 240,434.82

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Solution

The fourth proportional to 441,638.82, 609,461.57 and 240,434.82 is: 331,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,638.82 : 609,461.57 = 240,434.82 : x
  2. Step 2: Convert to fraction form
    441,638.82/609,461.57 = 240,434.82/x
  3. Step 3: Cross multiply
    441,638.82x = 609,461.57 × 240,434.82
  4. Step 4: Simplify right side
    441,638.82x = 146,535,781,677.69
  5. Step 5: Solve for x
    x = 146,535,781,677.69/441,638.82
  6. Step 6: Final answer
    x = 331,800.05

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1.5x scale

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.