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Finding the Fourth Proportional to 364,543.95, 502,868.48 and 213,611.79

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Solution

The fourth proportional to 364,543.95, 502,868.48 and 213,611.79 is: 294,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,543.95 : 502,868.48 = 213,611.79 : x
  2. Step 2: Convert to fraction form
    364,543.95/502,868.48 = 213,611.79/x
  3. Step 3: Cross multiply
    364,543.95x = 502,868.48 × 213,611.79
  4. Step 4: Simplify right side
    364,543.95x = 107,418,635,079.32
  5. Step 5: Solve for x
    x = 107,418,635,079.32/364,543.95
  6. Step 6: Final answer
    x = 294,665.80

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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.