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Finding the Fourth Proportional to 359,513.01, 496,108.62 and 198,336.51

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Solution

The fourth proportional to 359,513.01, 496,108.62 and 198,336.51 is: 273,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,513.01 : 496,108.62 = 198,336.51 : x
  2. Step 2: Convert to fraction form
    359,513.01/496,108.62 = 198,336.51/x
  3. Step 3: Cross multiply
    359,513.01x = 496,108.62 × 198,336.51
  4. Step 4: Simplify right side
    359,513.01x = 98,396,452,271.72
  5. Step 5: Solve for x
    x = 98,396,452,271.72/359,513.01
  6. Step 6: Final answer
    x = 273,693.72

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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.