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Finding the Fourth Proportional to 363,815.96, 502,092.56 and 210,893.63

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Solution

The fourth proportional to 363,815.96, 502,092.56 and 210,893.63 is: 291,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,815.96 : 502,092.56 = 210,893.63 : x
  2. Step 2: Convert to fraction form
    363,815.96/502,092.56 = 210,893.63/x
  3. Step 3: Cross multiply
    363,815.96x = 502,092.56 × 210,893.63
  4. Step 4: Simplify right side
    363,815.96x = 105,888,122,574.39
  5. Step 5: Solve for x
    x = 105,888,122,574.39/363,815.96
  6. Step 6: Final answer
    x = 291,048.59

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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.