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Finding the Fourth Proportional to 756,673,341.80, 1,135,010,012.70 and 756,673,341.80

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Solution

The fourth proportional to 756,673,341.80, 1,135,010,012.70 and 756,673,341.80 is: 1,135,010,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,673,341.80 : 1,135,010,012.70 = 756,673,341.80 : x
  2. Step 2: Convert to fraction form
    756,673,341.80/1,135,010,012.70 = 756,673,341.80/x
  3. Step 3: Cross multiply
    756,673,341.80x = 1,135,010,012.70 × 756,673,341.80
  4. Step 4: Simplify right side
    756,673,341.80x = 858,831,819,286,169,472
  5. Step 5: Solve for x
    x = 858,831,819,286,169,472/756,673,341.80
  6. Step 6: Final answer
    x = 1,135,010,012.70

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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.