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Finding the Fourth Proportional to 245,061,625.70, 343,947,210.40 and 245,061,625.70

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Solution

The fourth proportional to 245,061,625.70, 343,947,210.40 and 245,061,625.70 is: 343,947,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,061,625.70 : 343,947,210.40 = 245,061,625.70 : x
  2. Step 2: Convert to fraction form
    245,061,625.70/343,947,210.40 = 245,061,625.70/x
  3. Step 3: Cross multiply
    245,061,625.70x = 343,947,210.40 × 245,061,625.70
  4. Step 4: Simplify right side
    245,061,625.70x = 84,288,262,535,603,936
  5. Step 5: Solve for x
    x = 84,288,262,535,603,936/245,061,625.70
  6. Step 6: Final answer
    x = 343,947,210.40

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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.