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Finding the Fourth Proportional to 378,366,952.65, 567,550,428.98 and 378,366,952.65

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Solution

The fourth proportional to 378,366,952.65, 567,550,428.98 and 378,366,952.65 is: 567,550,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,366,952.65 : 567,550,428.98 = 378,366,952.65 : x
  2. Step 2: Convert to fraction form
    378,366,952.65/567,550,428.98 = 378,366,952.65/x
  3. Step 3: Cross multiply
    378,366,952.65x = 567,550,428.98 × 378,366,952.65
  4. Step 4: Simplify right side
    378,366,952.65x = 214,742,326,286,471,008
  5. Step 5: Solve for x
    x = 214,742,326,286,471,008/378,366,952.65
  6. Step 6: Final answer
    x = 567,550,428.98

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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.