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Finding the Fourth Proportional to 359,641.70, 496,313.01 and 198,496.35

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Solution

The fourth proportional to 359,641.70, 496,313.01 and 198,496.35 is: 273,929.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,641.70 : 496,313.01 = 198,496.35 : x
  2. Step 2: Convert to fraction form
    359,641.70/496,313.01 = 198,496.35/x
  3. Step 3: Cross multiply
    359,641.70x = 496,313.01 × 198,496.35
  4. Step 4: Simplify right side
    359,641.70x = 98,516,320,942.51
  5. Step 5: Solve for x
    x = 98,516,320,942.51/359,641.70
  6. Step 6: Final answer
    x = 273,929.09

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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.