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Finding the Fourth Proportional to 704,808,052.70, 1,057,212,079.05 and 704,808,052.70

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Solution

The fourth proportional to 704,808,052.70, 1,057,212,079.05 and 704,808,052.70 is: 1,057,212,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,808,052.70 : 1,057,212,079.05 = 704,808,052.70 : x
  2. Step 2: Convert to fraction form
    704,808,052.70/1,057,212,079.05 = 704,808,052.70/x
  3. Step 3: Cross multiply
    704,808,052.70x = 1,057,212,079.05 × 704,808,052.70
  4. Step 4: Simplify right side
    704,808,052.70x = 745,131,586,726,148,992
  5. Step 5: Solve for x
    x = 745,131,586,726,148,992/704,808,052.70
  6. Step 6: Final answer
    x = 1,057,212,079.05

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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.