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Finding the Fourth Proportional to 590,130,215.20, 827,391,624.80 and 590,130,215.20

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Solution

The fourth proportional to 590,130,215.20, 827,391,624.80 and 590,130,215.20 is: 827,391,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,130,215.20 : 827,391,624.80 = 590,130,215.20 : x
  2. Step 2: Convert to fraction form
    590,130,215.20/827,391,624.80 = 590,130,215.20/x
  3. Step 3: Cross multiply
    590,130,215.20x = 827,391,624.80 × 590,130,215.20
  4. Step 4: Simplify right side
    590,130,215.20x = 488,268,797,597,901,696
  5. Step 5: Solve for x
    x = 488,268,797,597,901,696/590,130,215.20
  6. Step 6: Final answer
    x = 827,391,624.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.