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Finding the Fourth Proportional to 359,362.10, 539,393.72 and 296,819.37

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Solution

The fourth proportional to 359,362.10, 539,393.72 and 296,819.37 is: 445,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,362.10 : 539,393.72 = 296,819.37 : x
  2. Step 2: Convert to fraction form
    359,362.10/539,393.72 = 296,819.37/x
  3. Step 3: Cross multiply
    359,362.10x = 539,393.72 × 296,819.37
  4. Step 4: Simplify right side
    359,362.10x = 160,102,502,668.26
  5. Step 5: Solve for x
    x = 160,102,502,668.26/359,362.10
  6. Step 6: Final answer
    x = 445,518.61

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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.