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Finding the Fourth Proportional to 472,392,461.70, 659,818,896.30 and 472,392,461.70

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Solution

The fourth proportional to 472,392,461.70, 659,818,896.30 and 472,392,461.70 is: 659,818,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,461.70 : 659,818,896.30 = 472,392,461.70 : x
  2. Step 2: Convert to fraction form
    472,392,461.70/659,818,896.30 = 472,392,461.70/x
  3. Step 3: Cross multiply
    472,392,461.70x = 659,818,896.30 × 472,392,461.70
  4. Step 4: Simplify right side
    472,392,461.70x = 311,693,472,699,334,016
  5. Step 5: Solve for x
    x = 311,693,472,699,334,016/472,392,461.70
  6. Step 6: Final answer
    x = 659,818,896.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.