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Finding the Fourth Proportional to 328,980.92, 493,462.63 and 249,170.38

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Solution

The fourth proportional to 328,980.92, 493,462.63 and 249,170.38 is: 373,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,980.92 : 493,462.63 = 249,170.38 : x
  2. Step 2: Convert to fraction form
    328,980.92/493,462.63 = 249,170.38/x
  3. Step 3: Cross multiply
    328,980.92x = 493,462.63 × 249,170.38
  4. Step 4: Simplify right side
    328,980.92x = 122,956,270,546.94
  5. Step 5: Solve for x
    x = 122,956,270,546.94/328,980.92
  6. Step 6: Final answer
    x = 373,748.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.