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Finding the Fourth Proportional to 539,668.63, 744,743.84 and 297,951.67

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Solution

The fourth proportional to 539,668.63, 744,743.84 and 297,951.67 is: 411,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,668.63 : 744,743.84 = 297,951.67 : x
  2. Step 2: Convert to fraction form
    539,668.63/744,743.84 = 297,951.67/x
  3. Step 3: Cross multiply
    539,668.63x = 744,743.84 × 297,951.67
  4. Step 4: Simplify right side
    539,668.63x = 221,897,670,850.21
  5. Step 5: Solve for x
    x = 221,897,670,850.21/539,668.63
  6. Step 6: Final answer
    x = 411,173.93

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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.