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Finding the Fourth Proportional to 475,793,465.76, 713,674,494.36 and 195,664,685.76

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Solution

The fourth proportional to 475,793,465.76, 713,674,494.36 and 195,664,685.76 is: 293,490,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,793,465.76 : 713,674,494.36 = 195,664,685.76 : x
  2. Step 2: Convert to fraction form
    475,793,465.76/713,674,494.36 = 195,664,685.76/x
  3. Step 3: Cross multiply
    475,793,465.76x = 713,674,494.36 × 195,664,685.76
  4. Step 4: Simplify right side
    475,793,465.76x = 139,640,895,673,876,288
  5. Step 5: Solve for x
    x = 139,640,895,673,876,288/475,793,465.76
  6. Step 6: Final answer
    x = 293,490,570.43

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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.