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Finding the Fourth Proportional to 359,935.92, 496,715.32 and 198,795.08

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Solution

The fourth proportional to 359,935.92, 496,715.32 and 198,795.08 is: 274,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,935.92 : 496,715.32 = 198,795.08 : x
  2. Step 2: Convert to fraction form
    359,935.92/496,715.32 = 198,795.08/x
  3. Step 3: Cross multiply
    359,935.92x = 496,715.32 × 198,795.08
  4. Step 4: Simplify right side
    359,935.92x = 98,744,561,776.63
  5. Step 5: Solve for x
    x = 98,744,561,776.63/359,935.92
  6. Step 6: Final answer
    x = 274,339.28

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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.