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Finding the Fourth Proportional to 363,548.02, 501,566.42 and 210,502.68

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Solution

The fourth proportional to 363,548.02, 501,566.42 and 210,502.68 is: 290,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,548.02 : 501,566.42 = 210,502.68 : x
  2. Step 2: Convert to fraction form
    363,548.02/501,566.42 = 210,502.68/x
  3. Step 3: Cross multiply
    363,548.02x = 501,566.42 × 210,502.68
  4. Step 4: Simplify right side
    363,548.02x = 105,581,075,608.01
  5. Step 5: Solve for x
    x = 105,581,075,608.01/363,548.02
  6. Step 6: Final answer
    x = 290,418.51

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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.