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Finding the Fourth Proportional to 359,816.58, 496,537.42 and 198,668.16

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Solution

The fourth proportional to 359,816.58, 496,537.42 and 198,668.16 is: 274,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,816.58 : 496,537.42 = 198,668.16 : x
  2. Step 2: Convert to fraction form
    359,816.58/496,537.42 = 198,668.16/x
  3. Step 3: Cross multiply
    359,816.58x = 496,537.42 × 198,668.16
  4. Step 4: Simplify right side
    359,816.58x = 98,646,175,602.55
  5. Step 5: Solve for x
    x = 98,646,175,602.55/359,816.58
  6. Step 6: Final answer
    x = 274,156.84

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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.