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Finding the Fourth Proportional to 359,717.98, 496,410.90 and 198,573.14

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Solution

The fourth proportional to 359,717.98, 496,410.90 and 198,573.14 is: 274,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,717.98 : 496,410.90 = 198,573.14 : x
  2. Step 2: Convert to fraction form
    359,717.98/496,410.90 = 198,573.14/x
  3. Step 3: Cross multiply
    359,717.98x = 496,410.90 × 198,573.14
  4. Step 4: Simplify right side
    359,717.98x = 98,573,867,668.31
  5. Step 5: Solve for x
    x = 98,573,867,668.31/359,717.98
  6. Step 6: Final answer
    x = 274,030.98

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1.5x scale

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.