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Finding the Fourth Proportional to 248,832,257.80, 348,723,479 and 248,832,257.80

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Solution

The fourth proportional to 248,832,257.80, 348,723,479 and 248,832,257.80 is: 348,723,479

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,832,257.80 : 348,723,479 = 248,832,257.80 : x
  2. Step 2: Convert to fraction form
    248,832,257.80/348,723,479 = 248,832,257.80/x
  3. Step 3: Cross multiply
    248,832,257.80x = 348,723,479 × 248,832,257.80
  4. Step 4: Simplify right side
    248,832,257.80x = 86,773,650,627,440,896
  5. Step 5: Solve for x
    x = 86,773,650,627,440,896/248,832,257.80
  6. Step 6: Final answer
    x = 348,723,479

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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.