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Finding the Fourth Proportional to 441,312, 609,012.48 and 240,107.52

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Solution

The fourth proportional to 441,312, 609,012.48 and 240,107.52 is: 331,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,312 : 609,012.48 = 240,107.52 : x
  2. Step 2: Convert to fraction form
    441,312/609,012.48 = 240,107.52/x
  3. Step 3: Cross multiply
    441,312x = 609,012.48 × 240,107.52
  4. Step 4: Simplify right side
    441,312x = 146,228,476,221.85
  5. Step 5: Solve for x
    x = 146,228,476,221.85/441,312
  6. Step 6: Final answer
    x = 331,349.42

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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.