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Finding the Fourth Proportional to 526,138,879.70, 737,803,755.10 and 526,138,879.70

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Solution

The fourth proportional to 526,138,879.70, 737,803,755.10 and 526,138,879.70 is: 737,803,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,138,879.70 : 737,803,755.10 = 526,138,879.70 : x
  2. Step 2: Convert to fraction form
    526,138,879.70/737,803,755.10 = 526,138,879.70/x
  3. Step 3: Cross multiply
    526,138,879.70x = 737,803,755.10 × 526,138,879.70
  4. Step 4: Simplify right side
    526,138,879.70x = 388,187,241,146,767,168
  5. Step 5: Solve for x
    x = 388,187,241,146,767,168/526,138,879.70
  6. Step 6: Final answer
    x = 737,803,755.10

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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.