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Finding the Fourth Proportional to 359,663.94, 496,328.67 and 196,315.07

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Solution

The fourth proportional to 359,663.94, 496,328.67 and 196,315.07 is: 270,910.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,663.94 : 496,328.67 = 196,315.07 : x
  2. Step 2: Convert to fraction form
    359,663.94/496,328.67 = 196,315.07/x
  3. Step 3: Cross multiply
    359,663.94x = 496,328.67 × 196,315.07
  4. Step 4: Simplify right side
    359,663.94x = 97,436,795,112.41
  5. Step 5: Solve for x
    x = 97,436,795,112.41/359,663.94
  6. Step 6: Final answer
    x = 270,910.66

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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.