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Finding the Fourth Proportional to 532,701,903.60, 797,919,114.60 and 442,002,639.60

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Solution

The fourth proportional to 532,701,903.60, 797,919,114.60 and 442,002,639.60 is: 662,063,252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,701,903.60 : 797,919,114.60 = 442,002,639.60 : x
  2. Step 2: Convert to fraction form
    532,701,903.60/797,919,114.60 = 442,002,639.60/x
  3. Step 3: Cross multiply
    532,701,903.60x = 797,919,114.60 × 442,002,639.60
  4. Step 4: Simplify right side
    532,701,903.60x = 352,682,354,840,494,912
  5. Step 5: Solve for x
    x = 352,682,354,840,494,912/532,701,903.60
  6. Step 6: Final answer
    x = 662,063,252.37

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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.