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Finding the Fourth Proportional to 359,455.45, 539,259.72 and 106,736.67

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Solution

The fourth proportional to 359,455.45, 539,259.72 and 106,736.67 is: 160,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,455.45 : 539,259.72 = 106,736.67 : x
  2. Step 2: Convert to fraction form
    359,455.45/539,259.72 = 106,736.67/x
  3. Step 3: Cross multiply
    359,455.45x = 539,259.72 × 106,736.67
  4. Step 4: Simplify right side
    359,455.45x = 57,558,786,777.93
  5. Step 5: Solve for x
    x = 57,558,786,777.93/359,455.45
  6. Step 6: Final answer
    x = 160,127.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.