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Finding the Fourth Proportional to 245,061,602.70, 343,947,178.20 and 245,061,602.70

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Solution

The fourth proportional to 245,061,602.70, 343,947,178.20 and 245,061,602.70 is: 343,947,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,061,602.70 : 343,947,178.20 = 245,061,602.70 : x
  2. Step 2: Convert to fraction form
    245,061,602.70/343,947,178.20 = 245,061,602.70/x
  3. Step 3: Cross multiply
    245,061,602.70x = 343,947,178.20 × 245,061,602.70
  4. Step 4: Simplify right side
    245,061,602.70x = 84,288,246,733,834,496
  5. Step 5: Solve for x
    x = 84,288,246,733,834,496/245,061,602.70
  6. Step 6: Final answer
    x = 343,947,178.20

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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.