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Finding the Fourth Proportional to 363,017.49, 500,890.72 and 212,085.33

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Solution

The fourth proportional to 363,017.49, 500,890.72 and 212,085.33 is: 292,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,017.49 : 500,890.72 = 212,085.33 : x
  2. Step 2: Convert to fraction form
    363,017.49/500,890.72 = 212,085.33/x
  3. Step 3: Cross multiply
    363,017.49x = 500,890.72 × 212,085.33
  4. Step 4: Simplify right side
    363,017.49x = 106,231,573,645.14
  5. Step 5: Solve for x
    x = 106,231,573,645.14/363,017.49
  6. Step 6: Final answer
    x = 292,634.86

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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.