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Finding the Fourth Proportional to 265,210,412.10, 397,815,618.15 and 265,210,412.10

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Solution

The fourth proportional to 265,210,412.10, 397,815,618.15 and 265,210,412.10 is: 397,815,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,210,412.10 : 397,815,618.15 = 265,210,412.10 : x
  2. Step 2: Convert to fraction form
    265,210,412.10/397,815,618.15 = 265,210,412.10/x
  3. Step 3: Cross multiply
    265,210,412.10x = 397,815,618.15 × 265,210,412.10
  4. Step 4: Simplify right side
    265,210,412.10x = 105,504,844,029,377,728
  5. Step 5: Solve for x
    x = 105,504,844,029,377,728/265,210,412.10
  6. Step 6: Final answer
    x = 397,815,618.15

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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.