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Finding the Fourth Proportional to 352,314,517.05, 528,471,775.58 and 352,314,517.05

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Solution

The fourth proportional to 352,314,517.05, 528,471,775.58 and 352,314,517.05 is: 528,471,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,314,517.05 : 528,471,775.58 = 352,314,517.05 : x
  2. Step 2: Convert to fraction form
    352,314,517.05/528,471,775.58 = 352,314,517.05/x
  3. Step 3: Cross multiply
    352,314,517.05x = 528,471,775.58 × 352,314,517.05
  4. Step 4: Simplify right side
    352,314,517.05x = 186,188,278,386,262,112
  5. Step 5: Solve for x
    x = 186,188,278,386,262,112/352,314,517.05
  6. Step 6: Final answer
    x = 528,471,775.58

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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.