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Finding the Fourth Proportional to 328,503.65, 492,755.48 and 328,503.65

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Solution

The fourth proportional to 328,503.65, 492,755.48 and 328,503.65 is: 492,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,503.65 : 492,755.48 = 328,503.65 : x
  2. Step 2: Convert to fraction form
    328,503.65/492,755.48 = 328,503.65/x
  3. Step 3: Cross multiply
    328,503.65x = 492,755.48 × 328,503.65
  4. Step 4: Simplify right side
    328,503.65x = 161,871,972,094.98
  5. Step 5: Solve for x
    x = 161,871,972,094.98/328,503.65
  6. Step 6: Final answer
    x = 492,755.48

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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.