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Finding the Fourth Proportional to 405,169, 606,211.50 and 244,654.12

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Solution

The fourth proportional to 405,169, 606,211.50 and 244,654.12 is: 366,050.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,169 : 606,211.50 = 244,654.12 : x
  2. Step 2: Convert to fraction form
    405,169/606,211.50 = 244,654.12/x
  3. Step 3: Cross multiply
    405,169x = 606,211.50 × 244,654.12
  4. Step 4: Simplify right side
    405,169x = 148,312,141,066.38
  5. Step 5: Solve for x
    x = 148,312,141,066.38/405,169
  6. Step 6: Final answer
    x = 366,050.07

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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.