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Finding the Fourth Proportional to 359,814.55, 496,531.07 and 198,666.14

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Solution

The fourth proportional to 359,814.55, 496,531.07 and 198,666.14 is: 274,152.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,814.55 : 496,531.07 = 198,666.14 : x
  2. Step 2: Convert to fraction form
    359,814.55/496,531.07 = 198,666.14/x
  3. Step 3: Cross multiply
    359,814.55x = 496,531.07 × 198,666.14
  4. Step 4: Simplify right side
    359,814.55x = 98,643,909,523.03
  5. Step 5: Solve for x
    x = 98,643,909,523.03/359,814.55
  6. Step 6: Final answer
    x = 274,152.09

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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.