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Finding the Fourth Proportional to 248,875,797.20, 347,619,900.40 and 248,875,797.20

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Solution

The fourth proportional to 248,875,797.20, 347,619,900.40 and 248,875,797.20 is: 347,619,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,875,797.20 : 347,619,900.40 = 248,875,797.20 : x
  2. Step 2: Convert to fraction form
    248,875,797.20/347,619,900.40 = 248,875,797.20/x
  3. Step 3: Cross multiply
    248,875,797.20x = 347,619,900.40 × 248,875,797.20
  4. Step 4: Simplify right side
    248,875,797.20x = 86,514,179,834,634,592
  5. Step 5: Solve for x
    x = 86,514,179,834,634,592/248,875,797.20
  6. Step 6: Final answer
    x = 347,619,900.40

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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.