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Finding the Fourth Proportional to 252,683,600.80, 379,308,836.40 and 195,429,690.40

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Solution

The fourth proportional to 252,683,600.80, 379,308,836.40 and 195,429,690.40 is: 293,363,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,683,600.80 : 379,308,836.40 = 195,429,690.40 : x
  2. Step 2: Convert to fraction form
    252,683,600.80/379,308,836.40 = 195,429,690.40/x
  3. Step 3: Cross multiply
    252,683,600.80x = 379,308,836.40 × 195,429,690.40
  4. Step 4: Simplify right side
    252,683,600.80x = 74,128,208,463,636,256
  5. Step 5: Solve for x
    x = 74,128,208,463,636,256/252,683,600.80
  6. Step 6: Final answer
    x = 293,363,749.09

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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.