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Finding the Fourth Proportional to 359,822.79, 496,561.86 and 198,668.30

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Solution

The fourth proportional to 359,822.79, 496,561.86 and 198,668.30 is: 274,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,822.79 : 496,561.86 = 198,668.30 : x
  2. Step 2: Convert to fraction form
    359,822.79/496,561.86 = 198,668.30/x
  3. Step 3: Cross multiply
    359,822.79x = 496,561.86 × 198,668.30
  4. Step 4: Simplify right side
    359,822.79x = 98,651,098,088.23
  5. Step 5: Solve for x
    x = 98,651,098,088.23/359,822.79
  6. Step 6: Final answer
    x = 274,165.79

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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.