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Finding the Fourth Proportional to 506,533,793.73, 699,452,886.96 and 318,675,212.87

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Solution

The fourth proportional to 506,533,793.73, 699,452,886.96 and 318,675,212.87 is: 440,046,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,533,793.73 : 699,452,886.96 = 318,675,212.87 : x
  2. Step 2: Convert to fraction form
    506,533,793.73/699,452,886.96 = 318,675,212.87/x
  3. Step 3: Cross multiply
    506,533,793.73x = 699,452,886.96 × 318,675,212.87
  4. Step 4: Simplify right side
    506,533,793.73x = 222,898,297,644,514,048
  5. Step 5: Solve for x
    x = 222,898,297,644,514,048/506,533,793.73
  6. Step 6: Final answer
    x = 440,046,252.40

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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.