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Finding the Fourth Proportional to 326,554,812.88, 489,832,893.24 and 306,600,974.80

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Solution

The fourth proportional to 326,554,812.88, 489,832,893.24 and 306,600,974.80 is: 459,902,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,554,812.88 : 489,832,893.24 = 306,600,974.80 : x
  2. Step 2: Convert to fraction form
    326,554,812.88/489,832,893.24 = 306,600,974.80/x
  3. Step 3: Cross multiply
    326,554,812.88x = 489,832,893.24 × 306,600,974.80
  4. Step 4: Simplify right side
    326,554,812.88x = 150,183,242,556,488,352
  5. Step 5: Solve for x
    x = 150,183,242,556,488,352/326,554,812.88
  6. Step 6: Final answer
    x = 459,902,094.94

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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.