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Finding the Fourth Proportional to 359,774.84, 496,476.42 and 198,626.60

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Solution

The fourth proportional to 359,774.84, 496,476.42 and 198,626.60 is: 274,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,774.84 : 496,476.42 = 198,626.60 : x
  2. Step 2: Convert to fraction form
    359,774.84/496,476.42 = 198,626.60/x
  3. Step 3: Cross multiply
    359,774.84x = 496,476.42 × 198,626.60
  4. Step 4: Simplify right side
    359,774.84x = 98,613,423,284.77
  5. Step 5: Solve for x
    x = 98,613,423,284.77/359,774.84
  6. Step 6: Final answer
    x = 274,097.61

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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.