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Finding the Fourth Proportional to 359,690.49, 496,372.95 and 198,545.58

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Solution

The fourth proportional to 359,690.49, 496,372.95 and 198,545.58 is: 273,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,690.49 : 496,372.95 = 198,545.58 : x
  2. Step 2: Convert to fraction form
    359,690.49/496,372.95 = 198,545.58/x
  3. Step 3: Cross multiply
    359,690.49x = 496,372.95 × 198,545.58
  4. Step 4: Simplify right side
    359,690.49x = 98,552,655,254.06
  5. Step 5: Solve for x
    x = 98,552,655,254.06/359,690.49
  6. Step 6: Final answer
    x = 273,992.94

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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.