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Finding the Fourth Proportional to 359,718.35, 496,411.41 and 198,573.51

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Solution

The fourth proportional to 359,718.35, 496,411.41 and 198,573.51 is: 274,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,718.35 : 496,411.41 = 198,573.51 : x
  2. Step 2: Convert to fraction form
    359,718.35/496,411.41 = 198,573.51/x
  3. Step 3: Cross multiply
    359,718.35x = 496,411.41 × 198,573.51
  4. Step 4: Simplify right side
    359,718.35x = 98,574,156,087.75
  5. Step 5: Solve for x
    x = 98,574,156,087.75/359,718.35
  6. Step 6: Final answer
    x = 274,031.49

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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.