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Finding the Fourth Proportional to 359,793.84, 496,502.64 and 198,645.60

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Solution

The fourth proportional to 359,793.84, 496,502.64 and 198,645.60 is: 274,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,793.84 : 496,502.64 = 198,645.60 : x
  2. Step 2: Convert to fraction form
    359,793.84/496,502.64 = 198,645.60/x
  3. Step 3: Cross multiply
    359,793.84x = 496,502.64 × 198,645.60
  4. Step 4: Simplify right side
    359,793.84x = 98,628,064,824.38
  5. Step 5: Solve for x
    x = 98,628,064,824.38/359,793.84
  6. Step 6: Final answer
    x = 274,123.83

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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.