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Finding the Fourth Proportional to 364,668.63, 502,640.39 and 243,765.80

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Solution

The fourth proportional to 364,668.63, 502,640.39 and 243,765.80 is: 335,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,668.63 : 502,640.39 = 243,765.80 : x
  2. Step 2: Convert to fraction form
    364,668.63/502,640.39 = 243,765.80/x
  3. Step 3: Cross multiply
    364,668.63x = 502,640.39 × 243,765.80
  4. Step 4: Simplify right side
    364,668.63x = 122,526,538,217.95
  5. Step 5: Solve for x
    x = 122,526,538,217.95/364,668.63
  6. Step 6: Final answer
    x = 335,994.18

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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.