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Finding the Fourth Proportional to 280,283,197.96, 419,596,929.96 and 207,013,361.68

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Solution

The fourth proportional to 280,283,197.96, 419,596,929.96 and 207,013,361.68 is: 309,908,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,283,197.96 : 419,596,929.96 = 207,013,361.68 : x
  2. Step 2: Convert to fraction form
    280,283,197.96/419,596,929.96 = 207,013,361.68/x
  3. Step 3: Cross multiply
    280,283,197.96x = 419,596,929.96 × 207,013,361.68
  4. Step 4: Simplify right side
    280,283,197.96x = 86,862,171,021,375,312
  5. Step 5: Solve for x
    x = 86,862,171,021,375,312/280,283,197.96
  6. Step 6: Final answer
    x = 309,908,591.21

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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.