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Finding the Fourth Proportional to 209,952,364.65, 314,928,546.98 and 209,952,364.65

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Solution

The fourth proportional to 209,952,364.65, 314,928,546.98 and 209,952,364.65 is: 314,928,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,364.65 : 314,928,546.98 = 209,952,364.65 : x
  2. Step 2: Convert to fraction form
    209,952,364.65/314,928,546.98 = 209,952,364.65/x
  3. Step 3: Cross multiply
    209,952,364.65x = 314,928,546.98 × 209,952,364.65
  4. Step 4: Simplify right side
    209,952,364.65x = 66,119,993,133,189,864
  5. Step 5: Solve for x
    x = 66,119,993,133,189,864/209,952,364.65
  6. Step 6: Final answer
    x = 314,928,546.98

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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.