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Finding the Fourth Proportional to 252,600,751.80, 378,901,127.70 and 252,600,751.80

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Solution

The fourth proportional to 252,600,751.80, 378,901,127.70 and 252,600,751.80 is: 378,901,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,600,751.80 : 378,901,127.70 = 252,600,751.80 : x
  2. Step 2: Convert to fraction form
    252,600,751.80/378,901,127.70 = 252,600,751.80/x
  3. Step 3: Cross multiply
    252,600,751.80x = 378,901,127.70 × 252,600,751.80
  4. Step 4: Simplify right side
    252,600,751.80x = 95,710,709,714,887,808
  5. Step 5: Solve for x
    x = 95,710,709,714,887,808/252,600,751.80
  6. Step 6: Final answer
    x = 378,901,127.70

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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.