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Finding the Fourth Proportional to 651,668.20, 977,793.90 and 296,499.40

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Solution

The fourth proportional to 651,668.20, 977,793.90 and 296,499.40 is: 444,881.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,668.20 : 977,793.90 = 296,499.40 : x
  2. Step 2: Convert to fraction form
    651,668.20/977,793.90 = 296,499.40/x
  3. Step 3: Cross multiply
    651,668.20x = 977,793.90 × 296,499.40
  4. Step 4: Simplify right side
    651,668.20x = 289,915,304,673.66
  5. Step 5: Solve for x
    x = 289,915,304,673.66/651,668.20
  6. Step 6: Final answer
    x = 444,881.77

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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.