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Finding the Fourth Proportional to 359,688.04, 496,367.09 and 196,343.89

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Solution

The fourth proportional to 359,688.04, 496,367.09 and 196,343.89 is: 270,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,688.04 : 496,367.09 = 196,343.89 : x
  2. Step 2: Convert to fraction form
    359,688.04/496,367.09 = 196,343.89/x
  3. Step 3: Cross multiply
    359,688.04x = 496,367.09 × 196,343.89
  4. Step 4: Simplify right side
    359,688.04x = 97,458,641,855.03
  5. Step 5: Solve for x
    x = 97,458,641,855.03/359,688.04
  6. Step 6: Final answer
    x = 270,953.25

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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.