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Finding the Fourth Proportional to 363,552.78, 501,572.96 and 210,507.42

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Solution

The fourth proportional to 363,552.78, 501,572.96 and 210,507.42 is: 290,425.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,552.78 : 501,572.96 = 210,507.42 : x
  2. Step 2: Convert to fraction form
    363,552.78/501,572.96 = 210,507.42/x
  3. Step 3: Cross multiply
    363,552.78x = 501,572.96 × 210,507.42
  4. Step 4: Simplify right side
    363,552.78x = 105,584,829,751.36
  5. Step 5: Solve for x
    x = 105,584,829,751.36/363,552.78
  6. Step 6: Final answer
    x = 290,425.04

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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.